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QO, QOB, and HOM arc fault (CAFI) and dual function (DF) circuit breaker troubleshooting tips using time saver diagnostics
Product Line:
QO, QOB and Homeline Arc Fault (CAFI) and Dual Function (DF) circuit breakers. White and Purple test buttons.
Resolution:
NOTE: Read all cautions and warnings in the literature and on the product. Electrical work and troubleshooting should be done by an authorized person.
Should a connected load be causing a fault the CAFI breaker will trip to protect the circuit and not perform the TSD.
For clear TSD results loads should be removed from the circuit.
CAFI and DF Fault Indication Procedure - Time Saver Diagnostics
Data Bulletin 0760DB0204 "Determining the Cause of AFCI Tripping"
48840-248-01 QO and QOB combination arc fault breaker instructions that come with the breaker, includes the CAFI Fault Indication Procedure
48840-249-01 HOM combination arc fault breaker instructions that come with the breaker, includes the CAFI Fault Indication Procedure
HRB86114 Dual Function HOM instructions
HRB73152 Dual Function QO instructions
QO, QOB and Homeline Arc Fault (CAFI) and Dual Function (DF) circuit breakers. White and Purple test buttons.
Resolution:
NOTE: Read all cautions and warnings in the literature and on the product. Electrical work and troubleshooting should be done by an authorized person.
Should a connected load be causing a fault the CAFI breaker will trip to protect the circuit and not perform the TSD.
For clear TSD results loads should be removed from the circuit.
CAFI and DF Fault Indication Procedure - Time Saver Diagnostics
- Place circuit breaker in the O/OFF position.
- Firmly press and continue holding the ‘TEST’ button through Step 4.
- Move handle to I/ON position.
- Circuit breaker should trip at one of the following times.
- Arcing to ground
- Shared neutral
- Grounded neutral
- Ground fault
- Parallel arc fault
- Series arc fault
- No Fault
- Thermal overload
- Short circuit
- Perform the CAFI Fault Indication Procedure a total of 6 times
- Verify by performing CAFI Fault Indication Procedure with a trip at 5.0 seconds (procedure complete) result.
Data Bulletin 0760DB0204 "Determining the Cause of AFCI Tripping"
48840-248-01 QO and QOB combination arc fault breaker instructions that come with the breaker, includes the CAFI Fault Indication Procedure
48840-249-01 HOM combination arc fault breaker instructions that come with the breaker, includes the CAFI Fault Indication Procedure
HRB86114 Dual Function HOM instructions
HRB73152 Dual Function QO instructions
Released for:Schneider Electric USA
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