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HomeRepair HelpSharp A/C RepairSharp Air conditioner is loud or noisy Repair
Sharp Air conditioner is loud or noisy
If your Sharp air conditioner is loud or noisy, start with the parts most likely to create the sound. A worn compressor can make the air conditioner making noise problem more noticeable, although many noisy compressors keep running for years and replacement should be handled by a licensed professional. Next, check the dual shaft fan motor. Its bearings can lose lubrication over time, causing a window air conditioner noisy complaint or an AC making loud noise during operation. Damaged fan blades are also common, especially if a blade is bent, cracked, or rubbing the housing and causing air conditioner rattling. If equipped, the condenser fan motor and capacitor should be checked for proper voltage and signs of failure. A worn fan motor can also make a Sharp air conditioner grinding noise if the bearings are bad. Finally, inspect the blower wheel for wobbling or a loose set screw. Once you identify the failed part, enter your model number on RepairClinic.com to find the exact Sharp replacement part that fits your specific air conditioner.
01 - Sharp Air Conditioner Compressor
When the compressor is wearing out, it generates more noise than usual. When this happens, it is not necessary to replace the compressor—compressors often last for years after they become noisy. However, if you would prefer to have a new compressor, have a licensed professional replace it.
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02 - Sharp Air Conditioner Dual Shaft Fan Motor
The fan motor or dual shaft fan motor has bearings which are usually permanently lubricated. However, over several years, the lubrication will break down, causing the motor to become noisy. If this happens, replace the dual shaft fan motor.
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03 - Sharp Air Conditioner Fan Blade
Air conditioners have a fan blade in the front and a fan blade in the rear. Check both fan blades for damage. If a fan blade is damaged, or is rubbing against the fan housing, replace it.
Highly Likely
04 - Sharp Air Conditioner Condenser Fan Motor
To determine if the condenser fan 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, you should inspect the capacitor, if applicable, for any bulging or leaking. You can also use a multimeter to determine if the capacitor can hold and release its charge. If the capacitor appears to be in good condition, replace the condenser fan motor.
Highly Likely
05 - Sharp Air Conditioner Fan Motor
The fan blades might be scraping against the blower housing. Air conditioners have a fan blade in the front and a fan blade in the rear. Check both fan blades to ensure that they are not rubbing against the housing. If the blades aren’t rubbing against the housing and the fan motor is still noisy, check the fan motor bearings for wear. If the bearings are worn, replace the fan motor.
Highly Likely
06 - Sharp Air Conditioner Blower Wheel
Wiggle the blower wheel to see if it wobbles on the motor shaft. If the blower wheel is loose, try tightening or replacing the set screw screw if it has one. If blower wheel still isn’t stable, replace the blower wheel altogether.
Common
Frequently Asked Questions
Why is my Sharp air conditioner making noise?
What should I check if my Sharp window air conditioner is noisy or rattling?
Can a bad fan motor make my Sharp AC make a grinding noise?
How do I test a Sharp air conditioner condenser fan motor?
Do I need to replace the compressor if my Sharp air conditioner is loud?
How do I find the right replacement part for a noisy Sharp air conditioner?
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