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HomeRepair HelpDanby A/C RepairDanby Air conditioner circuit breaker keeps tripping Repair
Danby Air conditioner circuit breaker keeps tripping
If your Danby air conditioner trips the breaker, start with the parts most likely to short or overload the circuit. On many window units, the power cord has an LCDI circuit protector that can trip before the home’s main breaker, so an air conditioner power cord problem is the first place to check. If the cord is not the issue, a shorted condenser fan motor, dual shaft fan motor, or blower motor can cause the same failure, often with a burnt smell or motor windings that test shorted with a multimeter. A damaged wire harness can also let wires short against the cabinet or another component, and a shorted control board may show burn marks or smell overheated. When a Danby window air conditioner trips the circuit breaker, do not keep resetting it without finding the cause. The breaker is warning you that something is pulling too much current or shorting out. Enter your Danby model number on RepairClinic.com to find the exact power cord, fan motor, wire harness, control board, or other replacement part for your specific air conditioner.
01 - Danby 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 - Danby 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 - Danby 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 - Danby 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 - Danby 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 - Danby 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 Danby window air conditioner trip the circuit breaker?
Can a bad Danby air conditioner power cord cause the AC breaker to keep tripping?
Can a fan motor make my Danby air conditioner trip the breaker?
What should I check if my window air conditioner trips the circuit breaker right away?
How do I find the correct Danby air conditioner power cord, fan motor, or wire harness?
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