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HomeRepair HelpGarrison Central A/C RepairGarrison Central air conditioner circuit breaker keeps tripping Repair
Garrison Central air conditioner circuit breaker keeps tripping
If your Garrison central air conditioner circuit breaker keeps tripping, the outdoor condenser fan motor is the most likely cause. A shorted winding or seized motor can make the AC condenser keep tripping the breaker or fuses. The next most likely cause is the furnace or air handler blower motor. A blower motor with a short, burnt wiring, or seized bearings can trip the breaker as it tries to circulate air. Less common causes include a shorted compressor in the outdoor condensing unit, a failed control board that regulates power, or a damaged wire harness with a loose or broken connection. This symptom is commonly described as central air tripping breaker, AC keeps tripping breaker, or air conditioner circuit breaker keeps tripping. Do not keep resetting the breaker, and disconnect power before inspecting components. Testing or replacing these parts involves 240-volt line voltage and should be handled by a qualified HVAC technician unless you are trained and equipped for this work. Compressor or sealed-system repairs also require an EPA 608-certified technician. Enter your Garrison model number to find the exact replacement part for your central air conditioner.
01 - Garrison 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 - Garrison 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 - Garrison 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 - Garrison 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 - Garrison 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 - Garrison 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 Garrison central air conditioner keep tripping the breaker?
How do I test a condenser fan motor that is tripping the AC breaker?
Could the blower motor cause my central air conditioner breaker to trip?
Should I replace the compressor or control board when the AC breaker keeps tripping?
How do I find the correct Garrison replacement part for my AC?
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