DIY dehumidifier repair
By drawing moisture from the air, a dehumidifier can protect your basement and other spaces from mold and mildew during hot weather. If your dehumidifier isn't doing its job, click on the symptom below to see the most common cause for the problem. If your unit is displaying an error code, use our dehumidifier error code charts to find the problem. Once you find the problem, our step-by-step repair guides can help you replace the broken part to get your dehumidifier working again.
For additional troubleshooting advice, answers to common questions or to figure out what size of dehumidifier you need, go to our dehumidifier article and videos page. To find the owner’s manual or a complete list of replacement parts for your dehumidifier, search for your model number.
Symptoms common to all dehumidifiers
Repair guides common to all dehumidifiers
If the humidifier sensor doesn’t properly detect humidity or evaporator temperature, install a new sensor assembly, following these steps.
If the dehumidifier doesn’t respond when you try to set it, follow these steps to replace it.
If the dehumidifier won’t power up because the control board has failed, use the steps in this repair guide to replace the electronic control board and fix your dehumidifier.
Articles and videos common to all dehumidifiers
Find out what’s wrong with your appliance by following a circuit.
Learn how to decipher symbols so you can buy the right part for your problem.
How to clean a dehumidifier for more efficient operation.