Event 6633 — Self-diagnosis, Device fault

What does Event 6633 mean?

The inverter has detected an internal device fault during its self-diagnosis routine. The precise cause of this fault requires further investigation by a service professional.

• Internal malfunction or component failure within the inverter.

Click steps to track your progress.

1. 1

   Note down the exact event code displayed.

2. 2

   Attempt a system reset by first turning off the AC circuit breaker, then the DC load-break switch, waiting for at least a minute, and then turning them back on in reverse order.

3. 3

   Contact the Service with the event code for further assistance.