Event 4302


Qualified person

Event message:

  • Serial electric arc in string |s0| detected by an AFCI module of the 2nd string group

Explanation:

An electric arc in string D, E or F has been detected.

Corrective measures:

  • Check the PV modules as well as the wiring in the affected string for damage.

  • If manual restart has been set, the operation inhibition due to the electric arc must be reset in order to continue feed-in operation.