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2-Pole CAFCI Circuit Breaker
LED indicators
Last known
trip condition Troubleshooting
1 2 3
Off Off Off Overcurrent
Ensure current on the circuits does not exceed the
current rating for the breaker.
On Off Off
Arc fault
(leg A)
Check wiring for the parallel and series arc faults.
Check devices for series arc faults. Use Intelli-Arc to
assist and accelerate diagnosis.
Off Off On
Arc fault
(leg B)
On On On
Arc fault to
ground
Check wiring, switches, and receptacles for possible
ground leakage. Use Intelli-Arc or circuit tester
to troubleshoot. Using safe electrical practices,
systematically identify the source of the ground fault.