Window air conditioner repair guides
Don't get hot under the collar over a window air conditioner that's not cooling a room. These step-by-step repair guides show you how to do common repairs such as replacing the electronic control board or installing a new thermistor. And we have more helpful information on our air conditioner repair help page, like symptoms and solution and maintenance tips for top brands such as Kenmore, Frigidaire and LG. Search your model number to find a complete list of replacement parts, then order the part you need.
Repair guides for Repair guides common to all window air conditioners
These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.
How to replace a window air conditioner ambient thermistor
If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…
How to replace a window air conditioner condenser fan
If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…
How to replace a window air conditioner user interface control board
Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i…
How to replace a window air conditioner electronic control board
The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…
Symptoms for window air conditioners
Choose a symptom to see related window air conditioner repairs.
Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…
Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…
Main causes: clogged drain hole, air conditioner not leveled properly…
Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …
Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…
Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…
Articles and videos for window air conditioners
Use the advice and tips in these articles and videos to get the most out of your window air conditioner.
Find out what’s wrong with your appliance by following a circuit.…
Learn how to repair broken, frayed or damaged wires in your appliances.…
