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GrandAire Furnace blower not running

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Furnace Blower Not Running? Gas Furnace Troubleshooting

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Common solutions for: GrandAire Furnace blower not running

01 - Blower Motor
The blower motor blows air through the return vent, past the heat exchanger, and into the home’s venting. First, make sure that power is getting to the motor. If power is getting to the blower motor, but the motor does not run, the motor may be burned out. If the blower motor is burned out, replace it. If the blower motor hums, check the blower fan to ensure that it spins freely. If the blower fan is unobstructed but does not spin freely, replace the blower motor.
Required Part
Furnace Blower Motor
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Most Common Solution
02 - 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. The capacitor can also be checked with a meter.
Required Part
Furnace Capacitor
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Common Solution
03 - Control Board
The control board regulates the power supply to all of the components of the furnace. If the control board is defective, it might not send voltage to the blower motor.
Required Part
Furnace Control Board
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Common Solution
04 - Incoming Power Problem
Check to ensure that power is getting to the furnace. If the furnace is not getting power, check the furnace circuit breaker or fuse.

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