Air Conditioners Air Conditioners Debris Objects can get sucked into the intake grille of the air conditioner and wrap around the fan, causing it to fail. Some panels on the air conditioner can be removed to access the fan. If you see any signs of blockage or grime, such as a plastic bag or mold growth that might hinder the fan s rotation, remove it or clean it. Reverse Motor air conditioner motor have a switch that allows the user to determine which direction the fan blows. If the fan is blowing away from the cooling element and the vents, this could definitely cause the unit to freeze. If your air conditioner fan motor contains no such switch and you see that the fan blades are reversed, uninstall the fan and then remount it with the blades facing the correct direction. Rattles and Clacking Sounds A rattling sound from the air conditioner is typically caused by loose nuts and bolts inside the unit. This problem is common with newly installed air conditioners or older units that have been recently serviced. It is possible for parts to come loose and vibrate or rattle inside the air conditioner even when no one has serviced or changed any parts. If the sound is more like a clacking noise than a bang or thumping sound, it is probably a loose part. The best way to fix it is to tighten the component. This involves opening and inspecting the air conditioner so it s best to leave this to a professional. Humming Noises All air conditioners hum when they operate. A low, steady hum is simply the sound of the fan blades hitting the air when the air conditioner is blowing cool air into the room. It also occurs when only the fan is on and the compressor is not operating. The compressor is the part that actually produces the cold air from Freon gas. Excessive humming sounds are more serious. A compressor that is aging and worn hums. If your conditioner motor starts slowly, it is a sign the capacitor needs to be replaced. href=" target="_blank" class="hash" rel="nofollow">
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