Solar King Inverter Relay Failure

Wait for approximately 1 minute.

Solar king inverter relay failure. Turn off the solar supply main switch or inverter ac isolator if installed. Error code 120 when a growatt solar inverter displays the error code 120 it means that there is a problem with the current sensor. Couple of hours labour should do it. Turn on the pv.

An error code 117 on a growatt solar inverter means that there is a problem in the relay circuit. A solar king solar inverter relay failure message occurs when an internal relay inside the inverter fails to operate correctly. Follow the shut down procedure below. This fault can pertain to water ingress or panel related earth faults.

Try to restart the inverter and if the problem persists you should already contact your solar inverter installer. Turn on the solar supply main switch and the ac isolator if installed. Additionally you may hear a clicking from the inverter as the relays inside the unit trying to pull in. Turn off the pv array dc isolator located at the inverter.

Assuming the inverter is accurate in diagnosis then ideally a relay replacement would be the simplest cheapest solution. The screen is showing relay failure. If this is a permanent fault the inverter requires replacement. If so find out what it means and what you can do about it here with gold coast solar power solutions.

We recommend a health check to eliminate an external cause for this fault prior to purchasing a new inverter. Contact solargain for a solar maintenance service.