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HomeRepair HelpFrigidaire Central A/C RepairFrigidaire Central air conditioner circuit breaker keeps tripping Repair
Frigidaire Central air conditioner circuit breaker keeps tripping
If your Frigidaire central air conditioner keeps tripping the breaker or blowing fuses, the most likely cause is a shorted condenser fan motor in the outdoor condensing unit. A seized motor or winding short can overload the circuit. The next most likely cause is a defective blower motor in the furnace or air handler. Less commonly, a shorted compressor, control board, or damaged wire harness may be responsible. A multimeter can help identify a motor short to ground, seized bearings, burn marks, or damaged wiring, but central air conditioner electrical components use dangerous 240V line voltage. Turn off power at the disconnect box and circuit breaker, and have a qualified HVAC technician handle live-voltage testing, compressor diagnosis, or any repair beyond your DIY experience. Compressor replacement also involves the sealed refrigerant system and requires EPA 608 certification. Do not repeatedly reset a tripped breaker, since that can create a fire hazard or damage the unit. Enter your Frigidaire central air conditioner model number to find the exact replacement condenser fan motor, blower motor, compressor, control board, or wire harness for your specific system.
01 - Frigidaire Central Air Conditioner Condenser Fan Motor
If the outdoor condensing unit's breaker or fuses keep tripping the condenser fan motor may be to blame. To determine if the condenser fan motor is shorted, use a multimeter to test the motor windings for a short to ground. If the condenser fan motor will not turn freely or the windings are shorted, replace the condenser fan motor.
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Common
02 - Frigidaire Central Air Conditioner Fan Motor
If the outdoor condensing unit's breaker or fuses keep tripping the condenser fan motor may be to blame. To determine if the outdoor fan motor is shorted, use a multimeter to test the motor windings for a short to ground. If the outdoor fan motor will not turn freely or the windings are shorted, it will need to be replaced.
Common
03 - Frigidaire Central Air Conditioner Blower Motor
Since the furnace or air handler's blower motor is the component that circulates the air through the home's venting, a defective blower motor may result in the circuit breaker tripping. You can try disconnecting the motor from the control board and see if the breaker still trips. You can also use a multimeter to test the blower motor for an electrical short, or see if there are any burnt smells coming from the motor. You can also try turning the blower wheel by hand. If the wheel does not turn freely, it's likely the motor bearings have seized. If the motor doesn't turn freely or is shorted the blower motor will need to b...
Common
04 - Frigidaire Central Air Conditioner Compressor
The compressor is located in the outdoor condensing unit and gets power through a service panel box next to the unit. If the compressor is shorted the fuses in the service panel box or the main breaker box may trip. You can test the compressor for shorts by using a multimeter. If the compressor windings are shorted the compressor itself or the whole unit will need to be replaced.
Less Common
05 - Frigidaire Central Air Conditioner Control Board
The control board regulates the power supply to all of the components of the furnace or air handler. If the control board shorts out it can trip the circuit breaker. A shorted control board will usually have burn marks or smell burnt and will need to be replaced.
Less Common
06 - Frigidaire Central Air Conditioner Wire Harness
A wire harness sends power and low voltage signals between the electrical components and the control board. If a wire harness becomes damaged, it can short out causing the circuit breaker to trip. Check the appropriate wire harnesses for breaks or loose connections. A damaged wire harness will need to be replaced.
Less Common
Frequently Asked Questions
Why does my Frigidaire central air conditioner keep tripping the breaker?
How do I test a condenser fan motor when the AC breaker keeps tripping?
Could the blower motor or blower wheel be causing my central air to trip the breaker?
Should I replace the compressor or control board if the AC breaker keeps tripping?
How do I find the correct Frigidaire replacement part for my central air conditioner?
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