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HomeRepair HelpICP Central A/C RepairICP Central air conditioner circuit breaker keeps tripping Repair
ICP Central air conditioner circuit breaker keeps tripping
When your ICP central air conditioner keeps tripping the breaker or blowing fuses, stop resetting it repeatedly and turn off power at the disconnect box. The most likely cause is a shorted condenser fan motor in the outdoor condensing unit. Next, check the outdoor fan motor, then the furnace or air handler blower motor. A blower motor that is seized, electrically shorted, or producing a burnt smell can trip the circuit breaker. Less common causes include a shorted compressor, a failed control board, or damaged wiring in the wire harness. A multimeter can help identify a short to ground, but central air electrical testing involves dangerous 240V line voltage and should be handled by a qualified HVAC technician unless you are trained and equipped for this work. Compressor repairs may also involve the sealed refrigerant system, which requires EPA 608 certification and a licensed HVAC technician. Do not bypass a breaker or fuse. Enter your ICP central air conditioner model number to find the exact replacement condenser fan motor, blower motor, compressor, control board, or wire harness for your unit.
01 - ICP 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 - ICP 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 - ICP 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 - ICP 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 - ICP 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 - ICP 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 ICP central air conditioner keep tripping the breaker?
How do I test the condenser fan motor when the AC breaker keeps tripping?
Can the blower motor in the furnace or air handler trip the AC breaker?
Could the compressor or control board be causing the AC breaker to trip?
How do I find the correct replacement part for my ICP central air conditioner?
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