If your air conditioner is humming, it could mean there is an electrical or mechanical problem. Take steps now to determine the issue with your air conditioner.
Potential Causes Of Your Cooling System’s Hum Could Include:
- The condenser fan motor on the unit could be unable to spin but still have power reaching it, creating resistance that produces a pronounced, and often loud, humming sound.
- There could be a mechanical or electrical breakdown with the contactor relay switch, which is responsible for starting the outside unit when the indoor temperature rises to the level where cooling is needed. When the contractor fails, it can create a humming sound.
A humming sound is a sign that something inside your air conditioner is off and needs consideration. Contact the experts to inspect your system and identify the problem.
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