Status Code 1173 - ArcContinuousFault (flashing red LED)

What does 1173 mean?

Status code 1173, with a flashing red operating LED, indicates that an electric arc has been detected in the PV system. The inverter has reached its maximum number of automatic connection attempts within 24 hours.

• Electric arc detected in the PV system
• Damaged PV system components causing arcing
• Exceeded automatic reconnection attempts

Click steps to track your progress.

1. 1

   Before confirming the status, visually check the entire photovoltaic system for any possible damage.

2. 2

   Press the optical sensor on the inverter for 3 seconds (max. 6 seconds) to acknowledge the fault.

3. 3

   Confirm the '1173 - ArcContinuousFault' status on the inverter's user interface (System > Event Log or Notifications menu).

4. 4

   If damaged components are found or the fault recurs, have them repaired by qualified specialists.