Samil Power error codes explained

What 17 Samil Power inverter fault and error codes mean, in plain English, with safe checks you can do and when to call a licensed electrician.

Safety first: never open the switchboard, remove covers, or pull apart or disconnect the inverter, batteries, isolators or wiring. Only use the switches and buttons described here. Anything else must be done by a licensed electrician. Call 1300 209 503 or book a service request.

Guide only. This information is a general guide taken from manufacturer documentation. All electrical work must be performed by a licensed electrician. Never open your inverter, battery or switchboard. If you see smoke, smell burning or see damage, keep clear and call 000.

Code	Message & meaning	Model	Type
Isolation FaultSafety-Critical	Isolation Fault Isolation Fault What you can do Do not touch the panels, rooftop isolators or DC cables Note the code and whether it appears in wet weather or early morning - this helps the electrician If it clears by itself once things dry out, still let us know if it keeps returning Call a licensed electrician or Total Solar - insulation and earth faults need testing with proper equipment SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Leakage DetectingSafety-Critical	Leakage Detecting Ground I Fault What you can do Do not touch the panels, rooftop isolators or DC cables Note the code and whether it appears in wet weather or early morning - this helps the electrician If it clears by itself once things dry out, still let us know if it keeps returning Call a licensed electrician or Total Solar - insulation and earth faults need testing with proper equipment SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Grid FaultFault	Grid Fault Fault OVR What you can do Note the code, date and time and check the monitoring app Restart the system once using the owner shutdown/start-up steps in your manual if it allows If it comes back, call your installer SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
No UtilityInfo	No Utility No Utility 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Fan FaultWarning	Fan Fault Fan Fault 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
PV Over VoltageFault	PV Over Voltage PV Over Voltage What you can do Do not touch the DC isolators or cables Note the time - this often shows on cold, very sunny mornings Call your installer - the panel strings may need to be checked against the inverter's limits SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Consistent FaultFault	Consistent Fault Consistent Fault What you can do Note the code, date and time and check the monitoring app Restart the system once using the owner shutdown/start-up steps in your manual if it allows If it comes back, call your installer SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Relay FailureFault	Relay Failure Relay Failure 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
DC INJ HighFault	DC INJ High DC INJ 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
EEPROM FailureFault	EEPROM Failure EEPROM Failure 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
SCI FailureWarning	SCI Failure SCI Failure 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
High DC BusFault	High DC Bus High DC Bus 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
DC Sensor FaultFault	DC Sensor Fault DC Sensor Fault 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 SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
GFCI FailureSafety-Critical	GFCI Failure GFCI Failure What you can do Keep clear and do not touch the inverter or cabling Note the code, date and time Call a licensed electrician or Total Solar - this alarm means current may be leaking to earth SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
ReconnectFault	Reconnect Reconnect What you can do Note the code, date and time and check the monitoring app Restart the system once using the owner shutdown/start-up steps in your manual if it allows If it comes back, call your installer SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Grid FaultsFault	Grid Faults Grid Faults What you can do Note the code, date and time and check the monitoring app Restart the system once using the owner shutdown/start-up steps in your manual if it allows If it comes back, call your installer SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter
Ground I FaultSafety-Critical	Ground I Fault Ground I Fault What you can do Do not touch the panels, rooftop isolators or DC cables Note the code and whether it appears in wet weather or early morning - this helps the electrician If it clears by itself once things dry out, still let us know if it keeps returning Call a licensed electrician or Total Solar - insulation and earth faults need testing with proper equipment SolarRiver TL series · Guide only. All work must be done by a licensed electrician.	SolarRiver TL series	Inverter

Common Samil Power questions

What does Samil Power Grid Fault "Grid Fault" mean?

Fault OVR Note the code, date and time and check the monitoring app This is a guide only; any electrical work must be done by a licensed electrician.

What does Samil Power PV Over Voltage "PV Over Voltage" mean?

PV Over Voltage Do not touch the DC isolators or cables This is a guide only; any electrical work must be done by a licensed electrician.

What does Samil Power Consistent Fault "Consistent Fault" mean?

Consistent Fault Note the code, date and time and check the monitoring app This is a guide only; any electrical work must be done by a licensed electrician.

What does Samil Power Relay Failure "Relay Failure" mean?

Relay Failure Note the code, then restart the system once using the owner shutdown/start-up steps in your manual This is a guide only; any electrical work must be done by a licensed electrician.

What does Samil Power DC INJ High "DC INJ High" mean?

DC INJ High Restart the system once using the owner shutdown/start-up steps in your manual This is a guide only; any electrical work must be done by a licensed electrician.

Need help with this fault?

Get a licensed electrician to call you back.

Total Solar can help: our licensed electricians install and service systems. Based in Ellenbrook, WA, with Victoria and Queensland also available.

Or call 1300 209 503

Sources

Meanings are summarised from these manufacturer documents. Check your own model's manual, as codes vary between models and firmware versions.

Samil Power SolarRiver Product Manual

Samil Power is a trademark of its owner. Total Solar is not affiliated with the manufacturer unless stated. All fault code guides

Common Samil Power questions

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