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Heil Central air conditioner circuit breaker keeps tripping

If your Heil central air conditioner keeps tripping the breaker, shut the system off and do not repeatedly reset it. The most likely cause is a shorted condenser fan motor (also called the outdoor fan motor), blower motor, compressor, control board, or damaged wire harness. This is a common reason for a central air tripping breaker, air conditioner circuit breaker keeps tripping, or AC condenser keeps tripping breaker. With power safely disconnected, you can check whether the condenser fan motor or blower wheel turns freely and look for burnt wiring, loose connections, or burn marks. A qualified technician can use a multimeter to test motor windings and the compressor for a short to ground. The condenser fan motor, blower motor, compressor, control board, and wiring operate on or connect to hazardous 240V line voltage, so electrical testing and replacement beyond basic inspection should be handled by a licensed HVAC professional. Compressor or sealed-system service also requires EPA 608 certification. Enter your Heil central air conditioner model number to find the exact replacement part for your unit.

01 - Heil 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 - Heil 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 - Heil 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 - Heil 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 - Heil 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 - Heil 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 Heil 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?
Could the compressor or control board be causing my AC breaker to trip?
How do I find the correct replacement part for my Heil central air conditioner?

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