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HomeRepair HelpGoodman A/C RepairGoodman Air conditioner circuit breaker keeps tripping Repair
Goodman Air conditioner circuit breaker keeps tripping
If your Goodman air conditioner trips breaker as soon as it starts, do not keep resetting it. A breaker that trips repeatedly is usually reacting to a shorted part or an overloaded circuit, and the most likely cause is an air conditioner power cord problem, especially on window units with an LCDI circuit protector. If the cord checks out, the next parts to inspect are the condenser fan motor, dual shaft fan motor, and blower motor. Any of these motors can short internally, often with a burnt smell, and you can check the windings with a multimeter. A damaged wire harness can also rub, break, loosen, or short against metal, causing the AC breaker to keep tripping. Less commonly, a shorted control board may show burn marks or smell burnt and will need replacement. Whether your Goodman central unit or window air conditioner trips circuit breaker, enter your model number on RepairClinic.com to find the exact power cord, fan motor, blower motor, wire harness, or control board made for your specific air conditioner.
01 - Goodman Air Conditioner Power Cord
Most window air conditioners have an LCDI circuit protector that will detect a short in the cord or a component in the unit. If the circuit breaker on the cord is damaged or any of the components in the unit are shorted the circuit breaker will trip. The circuit breaker on the cord is usually more sensitive and will trip before the main breaker.
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Common
02 - Goodman Air Conditioner Condenser Fan Motor
An air conditioner condenser fan motor is the component that spins both the condenser fan blade in the rear of the unit. If the fan motor is burned out or shorted it may trip the circuit breaker. You can use a multimeter to check if the motor windings are shorted. A shorted motor will usually have a burnt smell and will need to be replaced.
Common
03 - Goodman Air Conditioner Dual Shaft Fan Motor
An air conditioner dual shaft fan motor is the component that spins both the condenser fan blade in the rear of the unit and the fan blade that forces the cooled air out the front vent. If the fan motor is burned out or shorted it may trip the circuit breaker. You can use a multimeter to check if the motor windings are shorted. A shorted motor will usually have a burnt smell and will need to be replaced.
Common
04 - Goodman Air Conditioner Blower Motor
If the blower motor windings are shorted out the breaker will likely trip when power is applied to the motor. You can try disconnecting the motor from the unit to see if the breaker will still trip. You can use a multimeter to check if the motor windings are shorted. A shorted motor will usually have a burnt smell and will need to be replaced.
Common
05 - Goodman 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
06 - Goodman Air Conditioner Control Board
The control board regulates the power supply to all of the components of the air conditioner. 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
Frequently Asked Questions
Why does my Goodman air conditioner circuit breaker keep tripping?
Can a Goodman window air conditioner power cord cause the breaker to trip?
How do I test a Goodman air conditioner fan motor that may be tripping the breaker?
Should I replace the Goodman air conditioner control board if the AC breaker keeps tripping?
How do I find the correct Goodman air conditioner replacement part?
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