463 AC polarity reversed or connector incorrect - Critical AC wiring error.

What does 463 mean?

The inverter has detected that the AC polarity is reversed, or the AC connector is plugged in incorrectly. This is a severe wiring error and prevents operation.

• Incorrect AC wiring during installation.
• Reversed live and neutral connections.
• Improperly seated AC connector.

Click steps to track your progress.

1. 1

   Immediately switch off the AC circuit breaker connected to the inverter.

2. 2

   Do not attempt to reset or operate the inverter with this fault.

3. 3

   Contact your system installer or a qualified electrician to check the AC wiring for correct polarity and secure connections before restarting the inverter.