We have the DIY troubleshooting help you need when your dehumidifier doesn't remove moisture, won't turn on or has excessive frost on the coil. Use our symptoms and repair help to find out what's wrong and fix your dehumidifier. You can find and order dehumidifier repair parts by keying your model number in the search bar. Follow the steps in the
dehumidifier repair guides to install replacement parts and get your dehumidifier working again. Back to DIY dehumidifier help Symptoms common to all dehumidifiers
Choose a symptom to see related dehumidifier repairs.
Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure
Main causes: collection bucket not installed, collection bucket full of water
Main causes: room temperature below 65 degrees Fahrenheit, control system failure
Main causes: clogged drain hose, drain hose not properly connected
Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection
Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor
Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, bad compressor
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 space
Repair guides common to all dehumidifiers
These step-by-step repair guides will help you safely fix what’s broken on your dehumidifier.
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
Use the advice and tips in these articles to get the most out of your dehumidifier.
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.