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HomeRepair HelpRheem Central A/C RepairRheem Central A/C Condenser fan motor does not run Repair
Rheem Central Air Conditioner Condenser fan motor does not run
If your Rheem central air conditioner's condenser fan is not running, the outdoor unit may overheat and the system may stop cooling. The most likely cause is a failed run capacitor, which can make the condenser fan motor noisy, cause it to overheat, or keep it from starting. Next, check the motor control board, followed by the fan motor itself. A defective capacitor can produce the same symptoms, so inspect the capacitor for bulging or leaking before replacing the motor. Less commonly, the condenser fan motor has failed. Testing incoming voltage with a multimeter can help confirm the problem, but the outdoor condensing unit contains 240-volt line voltage. Turn off power at the disconnect box and circuit breaker, and do not test or replace energized components unless you are qualified to work safely with high voltage. These repairs do not normally require refrigerant handling, but any sealed-system or refrigerant repair requires an EPA 608-certified HVAC technician. Enter your Rheem central air conditioner model number to find the exact run capacitor, motor control board, capacitor, or condenser fan motor for your specific unit.
01 - Rheem Central Air Conditioner Run Capacitor
If the run capacitor is defective, the fan motor might be noisy, overheat, or not run at all. To determine if the run capacitor has failed, inspect the capacitor. If the run capacitor is bulging or leaking, replace it.
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Common
02 - Rheem Central Air Conditioner Motor Control Board
The motor control board helps to maintain the desired motor speed of the blower. When the motor control board fails, the blower motor may not run at the correct speed or it may not run at all.
Common
03 - Rheem Central Air Conditioner Fan Motor
To determine if the fan motor is working, use a multimeter to test the incoming voltage to the motor. If the fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. If the capacitor is not bulging or leaking, replace the fan motor.
Common
04 - Rheem Central Air Conditioner Motor
To determine if the condenser motor is working, use a multimeter to test the incoming voltage to the motor. If the condenser fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. If the capacitor is not bulging or leaking, replace the condenser fan motor.
Common
05 - Rheem Central Air Conditioner Capacitor
If the capacitor is defective, the fan motor might be noisy, overheat, or not run at all. To determine if the capacitor has failed, inspect the capacitor. If the capacitor is bulging or leaking, replace it.
Common
06 - Rheem Central Air Conditioner Condenser Fan Motor
To determine if the condenser motor is working, use a multimeter to test the incoming voltage to the motor. If the condenser fan motor is receiving the correct voltage but the motor still won’t run, inspect the capacitor to ensure that it is not at fault. If the capacitor is not bulging or leaking, replace the condenser fan motor.
Less Common
Frequently Asked Questions
Why is my Rheem central air conditioner condenser fan not running?
How do I troubleshoot a condenser fan motor that is not spinning?
Can a bad capacitor cause my AC fan motor to make noise or overheat?
Should I replace the Rheem condenser fan motor or the motor control board first?
How do I find the correct Rheem condenser fan motor or capacitor?
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