April 19, 2023

Window air conditioner error codes

Error Code

Sometimes your window air conditioner tells you exactly what's wrong—as long as you can crack the code. Below are common error code tables for the most popular brands, along with an explanation of what the code means, possible repair parts you might need and DIY advice. Visit Sears PartsDirect’s repair help section for more DIY advice onwindow air conditioners, major appliances, lawn and garden equipment, garage door openers, vacuum cleaners and more. To find the owner’s manual or a complete list of replacement parts for your window air conditioner, search for your model number.

Window Air Conditioner

Most common symptoms to help you fix your dehumidifiers

Choose a symptom to see related dehumidifier repairs.

Main causes: clogged drain hose, drain hose not properly connected...

Main causes: collection bucket not installed, collection bucket full of water...

Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection...

Main causes: weak or dead batteries, out of range, radio frequency interference...

Main causes: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the ...

Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor...

Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure...

Main causes: room temperature below 65 degrees Fahrenheit, control system failure...

Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, b...

Most common repair guides to help fix your dehumidifiers

These step-by-step repair guides will help you safely fix what’s broken on your dehumidifier.

How to replace a dehumidifier user interface control board

How to replace a dehumidifier user interface control board

If the dehumidifier doesn’t respond when you try to set it, follow these steps to replace it....

Repair difficulty
Time required
30 minutes or less
How to replace a dehumidifier sensor assembly

How to replace a dehumidifier sensor assembly

If the humidifier sensor doesn’t properly detect humidity or evaporator temperature, install a new sensor assembly, foll...

Repair difficulty
Time required
45 minutes or less
How to replace a dehumidifier electronic control board

How to replace a dehumidifier electronic control board

If the dehumidifier won’t power up because the control board has failed, use the steps in this repair guide to replace t...

Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your dehumidifiers

Use the advice and tips in these articles to get the most out of your dehumidifier.

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances....

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working...

How does a dehumidifier work?

How does a dehumidifier work?

Discover how a dehumidifier works....