An overhead bathroom fan removes steam and odor from the air. This makes the bathroom more comfortable and helps to prevent mold and mildew. Install only replacement parts that are compatible with your bathroom fan's make and model. Consult your owner's manual or the manufacturer's website for a part number listing if you are unsure which part to buy. You can also take the old part to the hardware store with you to use as an example when shopping for a replacement.
Instructions
1. Check the circuit breaker switch that controls power to the bathroom fan. Reset the switch if it is tripped, and replace any blown fuses you notice in the circuit breaker box.
2. Place a sturdy ladder under the overhead fan. Climb up the ladder and remove the plastic cover. Depending on the style of your fan cover, you may have to release a set of retention clips before you can pull off the cover. Make sure the power cord inside the fan is plugged into the electrical outlet.
3. Test the with a voltmeter if the fan is plugged in but does not turn on. If you do not get a reading of 120 volts, there is a problem with the wiring or the light the outlet. Turn off the circuit breaker and replace the light switch. Turn the circuit breaker back on and test the fan again. Call an electrician to inspect the outlet if the fan still does not work.
4. Remove any dust or debris from the vents of the cover if your bathroom fan does not have enough suction. Wipe off the fan blades with a soft cloth. Replace the fan if any of the blades are bent or cracked. If this fails to correct the problem, you may have to disconnect the fan assembly and clear out the exhaust duct.
5. Replace the fan's motor if you hear a grinding noise when the fan operates. This usually indicates a problem with the bearings inside the motor.
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