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Luxaire Central air conditioner circuit breaker keeps tripping

If your Luxaire central air conditioner circuit breaker keeps tripping, the outdoor condenser fan motor is the most likely cause. A seized motor or windings shorted to ground can trip the breaker or fuses, so inspect whether the motor turns freely and test it with a multimeter only if you are qualified to work safely around electrical equipment. The outdoor fan motor, blower motor, compressor, control board, and wire harness are the next most likely causes. A shorted blower motor, seized blower wheel, damaged compressor, burned control board, or broken wire harness can cause central air tripping breaker problems. This may appear as an AC keeps tripping breaker or air conditioner circuit breaker keeps tripping at the service panel or main electrical panel. Shut off power before inspecting components, and do not work inside the disconnect box, condensing unit, furnace, or air handler unless you understand 240V line-voltage safety. Compressor or sealed-system repairs require a licensed HVAC technician and EPA 608 certification when refrigerant is involved. Enter your Luxaire model number to find the exact replacement condenser fan motor, blower motor, compressor, control board, or wire harness for your central air conditioner.

01 - Luxaire 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 - Luxaire 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 - Luxaire 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...e replaced.
Common

04 - Luxaire 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 - Luxaire 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 - Luxaire 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 Luxaire central air conditioner keep tripping the breaker?
How do I test a condenser fan motor when the AC breaker keeps tripping?
Can a blower motor cause the central air conditioner breaker to trip?
What should I check before replacing the compressor or control board on a Luxaire AC?
How do I find the correct Luxaire central air conditioner replacement part?

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