Depending on the unit type, the noise created by your air conditioning unit may have numerous causes. These noises can be a red flag that something might be wrong and it should not be overlooked. The type of noise you hear may indicate the type of issue you are dealing with. The problem may get worse when it is neglected and it may reach a point when it can no longer be repaired. Worsening noises may even suggest the damage is already irreversible. Noisy fan fixes
A fan needs to be kept clean and properly maintained for it to work efficiently. When you hear a noise coming from the inside, it’s a clue to check it out to locate the source. Fans which produce a callous noise may be dirty or loose. • Open the cabinet of the air conditioner and find the position of the fan. Then remove any fragments or debris around or on the blades. Other than debris, insulation materials or other items may fall into the cabinet and cause noise as a result of the blade movement. • Check if the blade is loose if the problem was not debris. The blade itself might be loose. If the blade is loose, then tighten its screw with a screwdriver. • Check all the components of the unit and make sure they are in good condition and that the blades are straight. A slight bend on a blade may cause noise by touching the walls of the unit while rotating. Lubrication Lubrication is necessary to the motor to reduce friction between its moving parts. When a motor is not lubricated, it may emit a humming sound; lubricating it reduces the noise. Loose Screws When an air conditioner is running, vibration occurs sometimes causing the screws to become loose. This can be fixed easily by tightening the screws with a screw driver.
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