How Do You Know If Your Air Conditioner's Capacitor Needs to Be Replaced?


Quick Answer

The only way to know if the capacitor is causing problems is to test it, which requires using a multimeter or other tool. However, capacitors store a potentially dangerous amount of electricity, so it may be best to call an expert if capacitor problems are suspected.

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Full Answer

Air conditioners have one or more run capacitors. These capacitors are connected to the motors of fans and provide a consistent flow of electricity, ensuring efficient operation. If a fan stops working, a run capacitor may be to blame and should be tested before installing a new motor. Start capacitors provide a boost of power when the air conditioner is first turned on, but many air conditioners don't use them.

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