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HomeRepair HelpYork Central A/C RepairYork Central air conditioner circuit breaker keeps tripping Repair
York Central air conditioner circuit breaker keeps tripping
When your York central air conditioner keeps tripping the breaker, the outdoor condensing unit most likely has a shorted condenser fan motor. A motor that will not turn freely or tests short to ground should be replaced. The next most likely cause is the furnace or air handler blower motor. Check whether the blower wheel turns freely, and look for a burnt odor or signs of an electrical short. Less common causes include a shorted compressor in the outdoor unit, a failed control board, or damaged wiring in the wire harness. This problem is often described as central air tripping breaker, an air conditioner circuit breaker that keeps tripping, or an AC condenser that keeps tripping the breaker. Turn off power at the disconnect box and circuit breaker before inspecting components. Testing motors, the compressor, or wiring with a multimeter involves 240V line voltage and should be handled by a qualified technician unless you have the proper training. Compressor replacement and any sealed-system or refrigerant work require an EPA 608-certified HVAC technician. Enter your York model number to find the exact replacement part for your central air conditioner.
01 - York 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 - York 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 - York 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 - York 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 - York 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 - York 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 York central air conditioner keep tripping the breaker?
What should I check when the outdoor AC unit keeps tripping the breaker?
Could the blower motor cause my central air conditioner to trip the breaker?
Should I replace the compressor or control board if my AC breaker keeps tripping?
How do I find the correct York central air conditioner replacement part?
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