Insulation error on the solar modules

What does 502 mean?

An insulation error has been detected on the solar modules. This indicates a potential leakage path from the DC voltage to ground, triggering a warning message for safety.

• Degradation or damage to the insulation of DC wiring from solar modules
• Moisture ingress into PV connectors or junction boxes
• Ground fault within a solar module

Click steps to track your progress.

1. 1

   If this status code keeps recurring, contact your system engineer to perform insulation resistance tests on the solar module wiring.