Internal Communication Fault

What does 502 mean?

A minor fault where the internal communication circuit of the SUN2000 is interrupted or damaged, or its internal communication address is incorrectly set. This affects data exchange within the inverter, but the SUN2000 may still feed electricity.

• The communication circuit of the SUN2000 is interrupted.
• The communication circuit is damaged.
• The internal communication address is incorrectly set.

Click steps to track your progress.

1. 1

   Observe if the SUN2000 automatically reverts to normal operating status after a communication circuit short circuit is rectified.