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HomeRepair HelpFriedrich A/C RepairFriedrich Air conditioner circuit breaker keeps tripping Repair
Friedrich Air conditioner circuit breaker keeps tripping
If your Friedrich air conditioner trips breaker power as soon as it starts, do not keep resetting it and hoping it holds. A tripping breaker usually means a shorted part or an air conditioner power cord problem. On many window units, the LCDI protector in the power cord is very sensitive and may trip before the main breaker if the cord is damaged or a component inside the unit is shorted. If the cord checks out, the next likely causes are a shorted condenser fan motor, dual shaft fan motor, or blower motor, often with a burnt smell and windings that test bad with a multimeter. A damaged wire harness can also short against the cabinet or lose a connection, causing a Friedrich window air conditioner to trip the circuit breaker. Less commonly, a shorted control board may show burn marks or smell burnt. Enter your Friedrich model number on RepairClinic.com to find the exact power cord, fan motor, blower motor, wire harness, or control board made for your specific air conditioner.
01 - Friedrich 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 - Friedrich 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 - Friedrich 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 - Friedrich 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 - Friedrich 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 - Friedrich 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 Friedrich air conditioner trip the breaker as soon as it turns on?
Can a bad power cord make a Friedrich window air conditioner trip the circuit breaker?
How do I test a Friedrich AC fan motor that may be tripping the breaker?
Could a wire harness or control board cause my Friedrich AC breaker to keep tripping?
How do I find the right Friedrich air conditioner part to fix a breaker-tripping problem?
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