DC arc fault

What does 2003 mean?

Arcing or poor contact exists in the PV string power cables for PV1 (Cause ID 1) or PV2 (Cause ID 2). This indicates an electrical safety hazard.

• The PV string power cables arc or are in poor contact (PV1).
• The PV string power cables arc or are in poor contact (PV2).

Click steps to track your progress.

1. 1

   Check whether the PV string cables arc or are in poor contact.