475 Solar module ground, insulation error - Insulation fault between solar module and ground.

What does 475 mean?

An insulation error has been detected, specifically a connection issue between a solar module and ground. This is a critical safety issue and prevents grid power feed.

• Damaged insulation on PV module wiring.
• Water ingress into a solar module.
• Physical damage to a solar module.

Click steps to track your progress.

1. 1

   Perform an AC reset by switching the automatic circuit breaker for the inverter off and then on again.

2. 2

   If the status code persists, do not attempt further operation.

3. 3

   Contact your system installer immediately to inspect the solar modules and wiring for insulation damage.