DC arc fault

What does 2002 mean?

Arcing or poor contact exists in the PV string power cables for PV strings 1 and 2 (Cause ID 1) or PV strings 3 and 4 (Cause ID 2). This indicates an electrical safety hazard.

• The PV string power cables arc or are in poor contact (PV1 and PV2).
• The PV string power cables arc or are in poor contact (PV3 and PV4).

Click steps to track your progress.

1. 1

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