Siemens AFCI - 2-Pole CAFCI Circuit Breaker Troubleshooting; Overcurrent Troubleshooting (2-Pole); Arc Fault Troubleshooting Leg A (2-Pole); Arc Fault Troubleshooting Leg B (2-Pole)

2-Pole CAFCI Circuit Breaker
LED indicators
Last known
trip condition Troubleshooting
1 2
Off Off Overcurrent
Ensure current on the circuits does not exceed the
current rating for the breaker.
On Off
Arc fault
(leg A)
Check wiring for the parallel and series arc faults.
Check devices for series arc faults. Use AFCI
Troubleshooting Guide to assist and
accelerate diagnosis.
Off On
Arc fault
(leg B)