Enphase › system controller / smart switch

System Controller fails right after live wiring work

manufacturer says

Applies to: IQ System Controller 2, IQ System Controller 3

Symptoms

A System Controller component fails right after the shutdown switch was wired or the PV breaker was flipped
The controller shows an error that will not clear without a call to Enphase support after the manual override was moved

The cause and the fix

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