Abnormal noises during air conditioner operation often signal issues with specific components. Here are common causes of unusual sounds, explained by XiaoYiJiang repair technicians: Buzzing: Usually indicates compressor malfunction or unstable voltage. Check if your home voltage is within normal range; if it is, the compressor bearings may be worn. Clicking: Typically caused by relay or solenoid valve activation and occasional clicking is normal. However, frequent clicking accompanied by shutdown may indicate a control board fault. Squeaking/Rubbing: Caused by deformed fan blades rubbing against the housing. Requires panel removal to inspect the fan; replace blades if necessary. Flowing Water Sound: Normal sound of refrigerant flowing through pipes. Excessively loud noise may indicate improper refrigerant charge levels. XiaoYiJiang Recommendation: Don't ignore abnormal noises. Prompt repairs prevent minor issues from becoming major failures. Our technicians hold certified credentials for refrigeration equipment repair, ensuring safe and reliable service.
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