Afore error codes explained

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fault detected and reported by the battery BMS.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid lost (islanding).

What you can do

• Check whether the rest of your house or street has power, and check your network operator's outage map
• Check the switchboard for a tripped solar/inverter breaker - reset it once only; if it trips again, leave it off and call an electrician
• Once normal power is back the inverter usually reconnects on its own within a few minutes
• If the power is normal but the alarm stays, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid voltage out of range (unbalanced, instantaneous over, 10-minute average over, over/under, line voltage over/under).

What you can do

• This is usually caused by the mains supply, not the solar system
• The inverter normally reconnects by itself once grid voltage is back in range
• If it happens often (especially on sunny afternoons), note the times and call your installer - they can check the voltage and settings and talk to the network if needed

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid frequency over or under range.

What you can do

• This is caused by the mains frequency moving outside the allowed range, usually briefly
• The inverter reconnects by itself once the grid is stable
• If it keeps happening, note the times and call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid frequency over or under range.

What you can do

• This is caused by the mains frequency moving outside the allowed range, usually briefly
• The inverter reconnects by itself once the grid is stable
• If it keeps happening, note the times and call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) load too high.

What you can do

• Turn off some large appliances (air-conditioners, ovens, kettles, pool pumps) - backup outputs have a power limit
• The system usually recovers by itself once the load drops
• If it keeps happening with normal loads, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Grid connected to the backup terminal.

What you can do

• Keep clear - do not touch the inverter, backup circuits or cabling
• Switch off appliances on backup circuits only if it is safe to do so
• If you see smoke, smell burning or hear crackling, keep everyone away and call 000
• Call a licensed electrician or your installer - a short circuit must be found before the system is reset

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator voltage or frequency over/under range.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator voltage or frequency over/under range.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator voltage or frequency over/under range.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator voltage or frequency over/under range.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (hardware detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (hardware detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (hardware detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (hardware detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (software detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (software detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (software detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV input over-current (software detected).

What you can do

• Check solar generation in the app compared with similar days
• Do not touch the DC isolators, cables or connectors, and don't go on the roof
• If it doesn't clear by itself, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV boost circuit abnormal during self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV boost circuit abnormal during self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV boost circuit abnormal during self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PV boost circuit abnormal during self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage too low while running.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal DC bus voltage unbalanced.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Bus controller current too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Bus controller current too high.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Bus controller abnormal during self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) current/voltage over or abnormal at self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) current/voltage over or abnormal at self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) current/voltage over or abnormal at self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) current/voltage over or abnormal at self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) current/voltage over or abnormal at self-check.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) fuse broken.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery DC/DC converter (BiDC) relay abnormal.

What you can do

• Note the code, then restart the system once using the owner shutdown/start-up steps in your manual
• If the code comes back, call your installer - this is an internal fault that needs a licensed electrician or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC over-current / current unbalance detected by protection.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

DC injection current too high.

What you can do

• Restart the system once using the owner shutdown/start-up steps in your manual
• If it comes back, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

AC-side leakage current too high.

What you can do

• Keep clear and do not touch the inverter or cabling
• Note the code, date and time
• If you see smoke, smell burning or hear crackling, keep everyone away and call 000
• Call a licensed electrician or Total Solar - this alarm means current may be leaking to earth

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

PLL (grid synchronisation) abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Relay abnormal (grid, UPS/backup, generator or relay 4).

What you can do

• Note the code, then restart the system once using the owner shutdown/start-up steps in your manual
• If the code comes back, call your installer - this is an internal fault that needs a licensed electrician or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Relay abnormal (grid, UPS/backup, generator or relay 4).

What you can do

• Note the code, then restart the system once using the owner shutdown/start-up steps in your manual
• If the code comes back, call your installer - this is an internal fault that needs a licensed electrician or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Relay abnormal (grid, UPS/backup, generator or relay 4).

What you can do

• Note the code, then restart the system once using the owner shutdown/start-up steps in your manual
• If the code comes back, call your installer - this is an internal fault that needs a licensed electrician or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Relay abnormal (grid, UPS/backup, generator or relay 4).

What you can do

• Note the code, then restart the system once using the owner shutdown/start-up steps in your manual
• If the code comes back, call your installer - this is an internal fault that needs a licensed electrician or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output current too high.

What you can do

• Turn off some large appliances (air-conditioners, ovens, kettles, pool pumps) - backup outputs have a power limit
• The system usually recovers by itself once the load drops
• If it keeps happening with normal loads, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output current too high.

What you can do

• Turn off some large appliances (air-conditioners, ovens, kettles, pool pumps) - backup outputs have a power limit
• The system usually recovers by itself once the load drops
• If it keeps happening with normal loads, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output current too high.

What you can do

• Turn off some large appliances (air-conditioners, ovens, kettles, pool pumps) - backup outputs have a power limit
• The system usually recovers by itself once the load drops
• If it keeps happening with normal loads, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator current too high or power pushed back into the generator.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator current too high or power pushed back into the generator.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator current too high or power pushed back into the generator.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Generator current too high or power pushed back into the generator.

What you can do

• Check the generator is running normally and has fuel
• Switch off large loads while on generator
• If it keeps happening, call your installer - generator settings must be adjusted by them

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output voltage or frequency over/under.

What you can do

• Switch off large appliances on backup circuits
• Wait for the system to retry
• If it trips with only small loads on, or you suspect a short circuit, keep clear and call a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output voltage or frequency over/under.

What you can do

• Switch off large appliances on backup circuits
• Wait for the system to retry
• If it trips with only small loads on, or you suspect a short circuit, keep clear and call a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output voltage or frequency over/under.

What you can do

• Switch off large appliances on backup circuits
• Wait for the system to retry
• If it trips with only small loads on, or you suspect a short circuit, keep clear and call a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid (backup) output voltage or frequency over/under.

What you can do

• Switch off large appliances on backup circuits
• Wait for the system to retry
• If it trips with only small loads on, or you suspect a short circuit, keep clear and call a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Off-grid DC injection voltage too high.

What you can do

• Restart the system once using the owner shutdown/start-up steps in your manual
• If it comes back, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal sampling hardware abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

All temperature sensors abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal measurements inconsistent (PV/battery/bus voltage, master/slave CPU, or power calculation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal measurements inconsistent (PV/battery/bus voltage, master/slave CPU, or power calculation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal measurements inconsistent (PV/battery/bus voltage, master/slave CPU, or power calculation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Installation environment / cooling temperature too high or too low.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

CPU temperature too high.

What you can do

• Check from a safe distance that the inverter is shaded, has clear space around it and that nothing is blocking the vents
• It usually recovers once it cools down
• If it repeats often or you can hear a noisy/failed fan, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Firmware/model version conflict with inverter.

What you can do

• Make sure the system is online so it can receive updates
• Restart the system once using the owner steps in your manual
• If the alarm stays, call your installer - settings and firmware must be fixed by them or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fan abnormal (warning).

What you can do

• From outside, check that nothing is blocking the vents
• Don't open the unit
• Call your installer to arrange a fan check or replacement

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fan abnormal (warning).

What you can do

• From outside, check that nothing is blocking the vents
• Don't open the unit
• Call your installer to arrange a fan check or replacement

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Fan abnormal (warning).

What you can do

• From outside, check that nothing is blocking the vents
• Don't open the unit
• Call your installer to arrange a fan check or replacement

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Some temperature sensors abnormal (warning - does not affect operation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Some temperature sensors abnormal (warning - does not affect operation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Some temperature sensors abnormal (warning - does not affect operation).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Flash / EEPROM memory abnormal (warning).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Flash / EEPROM memory abnormal (warning).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal communication abnormal (slave/master CPU or display).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Internal communication abnormal (slave/master CPU or display).

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Frequency value abnormal.

What you can do

• Note the code, time and whether it clears by itself
• You may restart the system once using the owner shutdown/start-up steps in your manual. Do not open covers or touch cabling
• If the code returns or the system stays offline, call your installer - internal faults are a warranty/technician job

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Running model not initialised.

What you can do

• Don't change installer settings yourself
• Call your installer - country/grid settings and configuration must be set by them or the manufacturer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Meter/CT abnormal.

What you can do

• Check the monitoring app for the alarm and whether export/consumption readings look wrong
• Restart your home router if the meter talks over Wi-Fi or LAN
• Call your installer - meter and CT wiring is inside the switchboard and must be checked by a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Meter/CT wiring type wrong.

What you can do

• Check the monitoring app for the alarm and whether export/consumption readings look wrong
• Restart your home router if the meter talks over Wi-Fi or LAN
• Call your installer - meter and CT wiring is inside the switchboard and must be checked by a licensed electrician

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Battery state of health (SOH) low.

What you can do

• Check the battery status and any extra alarms in the app
• Restart the system once using the owner shutdown/start-up steps in your manual if it allows
• If the alarm comes back, or the battery is hot, swollen, noisy or smells, keep clear, call your installer, and call 000 if there is smoke

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Earth impedance too high (e.g. loose cable).

What you can do

• Keep clear - do not touch the inverter, frames or cabling
• Leave the system off if it has shut down
• If you see smoke, smell burning or hear crackling, keep everyone away and call 000
• Call a licensed electrician or Total Solar to test the earthing

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code

Communication between master and slave inverters abnormal in parallel mode.

What you can do

• Check that your home Wi-Fi/internet is working and restart your router
• Wait an hour - monitoring often reconnects by itself
• If the inverter screen also shows a fault, or the alarm stays for more than a day, call your installer

AF3K-AF9.6K-DH single-phase hybrid · Guide only. All work must be done by a licensed electrician. Get help with this code