©Don Vandervort, HomeTips Parts of a Window Air Conditioner If your room or window air conditioner doesn’t cool or turn on, this expert guide to AC repairs will help. Most problems with window and room air conditioners can be categorized under a few symptoms: they do not cool sufficiently, they do not turn on at all, or they make noise. Here is a closer look at how to troubleshoot and repair these issues. If your window or room air conditioner is beyond repair, be sure to see. Air Conditioner Doesn’t Cool A window or room air conditioner that doesn’t cool may need to be recharged with refrigerant, but the chances are good it simply needs to be cleaned. You can do this yourself, which involves disassembling the unit, or you can call an air-conditioning or appliance repair professional. Before attempting the work yourself, consult your owner’s manual and make sure you have the right skills and tools to handle the task. If you can’t find your appliance’s manual, search for one online, using your air conditioner’s make and model number.
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3 Wash the filter thoroughly or replace it with a new filter; most are readily available online or at appliance repair shops. 4 Using a vacuum with a soft brush attachment, clean the coil’s fins. 5 Spray water back through the fins from the fan side (protect the wiring and the motor with plastic). 6 Clean the unit up with a rag, making sure all drains that allow condensed water to drip away from the unit are open. Allow it to dry thoroughly.
7 Lubrication. While you have the unit apart, lubricate the motor and bearings according to your owner’s manual.
8 Finally, reassemble and reinstall the unit. Air Conditioner Doesn’t Turn On Window and room air conditioners draw a lot of electrical power, which can lead to less than peak performance or even complete failure. If your room air conditioner doesn’t turn on. ©Don Vandervort, HomeTips Turn the circuit breaker all of the way off, then flip it back to “ON.” 1 Be sure the unit is plugged in and that its switch is turned on. 2 Make sure the outlet works using a or by plugging in a light that works (only for standard-voltage models—do not plug a light into a 220/240- volt receptacle). For more about testing an outlet, see.
3 If the light doesn’t go on, the circuit has probably overloaded—check the electric panel or fuse box and reset the breaker or replace the fuse. 4 If the light works, it’s likely that the air conditioner’s switch is faulty or the thermostat needs adjustment or repair. See more about these repairs in the video below. 5 Be sure the thermostat is set to “cool” and below room temperature.
6 Refer to the owner’s manual for thermostat repair. If repairing the thermostat doesn’t solve the problem, unplug the unit and call an.
Air Conditioner Makes Noise If an air conditioner is making too much noise—the problem may be that it has bad bearings, something that is best handled by an an. On the other hand, you may be able to solve the issue with basic lubrication. Please see the video below for more about how to oil or replace the bearings. Air Conditioner Troubleshooting Video The very comprehensive video below does a great job of showing you how to troubleshoot a window air conditioner for various problems.
It begins with a discussion of how an air conditioner works, and then moves on to various troubleshooting methods and maintenance.
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