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Frigidaire window air conditioner error codes
These error code explanations can help you diagnose a problem with your Frigidaire window air conditioner. For repair how-to help, visit the PartsDirect repair help section, which includes repair help for window air conditioners, major appliances, lawn and garden equipment, garage door openers, vacuum cleaners and more. Search for your model number to find a complete list of replacement parts for your window air conditioner.
Error Code
Condition
DIY advice
ES
Evaporator temperature sensor failure
Check/Repair
Unplug the air conditioner and check the wire harness connections on the electronic control board to make sure they aren't loose or damaged. Examine the electronic control board for damage. Check for a pinched or broken wire in the evaporator temperature sensor wire harness. Replace the evaporator temperature sensor if it's defective.
How-to help
Possible parts
Evaporator temperature sensor, Wire harness, Electronic control board
AS
Air temperature sensor failure
Check/Repair
Unplug the air conditioner and check the wire harness connections on the electronic control board to make sure they aren't loose or damaged. Examine the electronic control board for damage. Check for a pinched or broken wire in the air temperature sensor wire harness. Replace the air temperature sensor if it's defective.
How-to help
Possible parts
Air temperature sensor, Wire harness, Electronic control board
Symptoms for window air conditioners
Choose a symptom to see related window air conditioner repairs.
Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …
Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…
Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…
Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…
Main causes: clogged drain hole, air conditioner not leveled properly…
Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…
Repair guides for 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…
Repair difficulty
Time required
45 minutes or less
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…
Repair difficulty
Time required
30 minutes or less
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.…
Repair difficulty
Time required
45 minutes or less
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.
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Window air conditioner installation tips.…