Solar King Inverter Relay Failure

A solar king solar inverter relay failure message occurs when an internal relay inside the inverter fails to operate correctly.

Solar king inverter relay failure.

Assuming the inverter is accurate in diagnosis then ideally a relay replacement would be the simplest cheapest solution. Follow the shut down procedure below. Wait for approximately 1 minute. Couple of hours labour should do it.

If so find out what it means and what you can do about it here with gold coast solar power solutions. If this is a permanent fault the inverter requires replacement. The screen is showing relay failure. Error code 120 when a growatt solar inverter displays the error code 120 it means that there is a problem with the current sensor.

Turn off the pv array dc isolator located at the inverter. The fault light is on. Turn on the pv. 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. Is your solar king solar inverter showing a relay failure message on the screen. We recommend a health check to eliminate an external cause for this fault prior to purchasing a new inverter.

Additionally you may hear a clicking from the inverter as the relays inside the unit trying to pull in. There are two signs that you have this issue.