Solar King Inverter 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. Follow the shut down procedure below. Wait for approximately 1 minute.

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Solar King Solar Inverter Relay Failure

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Turn on the solar supply main switch and the ac isolator if installed.

Solar king inverter relay failure.

An error code 117 on a growatt solar inverter means that there is a problem in the relay circuit. Is your solar king solar inverter showing a relay failure message on the screen. If this is a permanent fault the inverter requires replacement. There are two signs that you have this issue.

The screen is showing relay failure. If so find out what it means and what you can do about it here with gold coast solar power solutions. The fault light is on. A solar king solar inverter relay failure message occurs when an internal relay inside the inverter fails to operate correctly.

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 pv. Turn off the pv array dc isolator located at the inverter.

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. Couple of hours labour should do it. Assuming the inverter is accurate in diagnosis then ideally a relay replacement would be the simplest cheapest solution.

Turn off the solar supply main switch or inverter ac isolator if installed. Contact solargain for a solar maintenance service.