DC arc fault

¿Qué significa 2003 ?

The PV string power cables are arcing or have poor contact. This is a Major alarm indicating a potentially dangerous electrical fault in the DC circuit, requiring immediate inspection and rectification of the cable connections.

• The PV string power cables arc.
• The PV string power cables are in poor contact.

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1. 1

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