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HomeRepair HelpGibson Central A/C RepairGibson Central A/C Condenser fan motor does not run Repair
Gibson Central Air Conditioner Condenser fan motor does not run
When your Gibson central air conditioner's condenser fan is not running, the outdoor AC fan may not be spinning even though the compressor is operating, which can cause the system to overheat and stop cooling. The most likely cause is a failed run capacitor, especially if it is bulging, leaking, or the fan was noisy or overheating before it stopped. Next, check the motor control board, which can prevent the motor from running at the correct speed or at all. If the board and capacitor are good, the condenser fan motor itself may have failed. the condenser fan motor or capacitor can be tested for proper incoming voltage with a multimeter, but a correct voltage reading requires careful diagnosis. Shut off power at the disconnect box and circuit breaker before inspecting parts. Central air conditioner components use 240V line voltage, and capacitor terminals can retain a dangerous charge, so have a qualified technician handle live-voltage testing or repairs beyond your comfort level. Refrigerant work is not required for this electrical repair, but any sealed-system service requires an EPA 608-certified technician. Enter your Gibson model number to find the exact replacement capacitor, motor control board, or condenser fan motor for your unit.
01 - Gibson 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 - Gibson 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 - Gibson 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 - Gibson 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 - Gibson 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 - Gibson 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 Gibson central AC condenser fan not running?
Can a bad capacitor cause the AC fan motor to stop or make noise?
How do I test a condenser fan motor that is not running?
Can a condenser fan that is not spinning make my central air conditioner stop cooling?
How do I identify the correct Gibson AC capacitor or condenser fan motor?
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