Dehumidifier repair guides

By drawing moisture from the air, a dehumidifier can protect your belongings from mold and make you less reliant on your air conditioner during hot weather. If your dehumidifier has problems, Sears PartsDirect can help you solve them with these step-by-step repair guides for replacing common parts such as the sensor assembly or the user interface control board.

Our dehumidifier repair help page also has DIY troubleshooting advice, explanations of error codes and answers to common questions for Kenmore, LG and other brands of dehumidifier. Search your model number to find a complete list of replacement parts for your dehumidifier, then order the part you need.


Repair guides common to all dehumidifiers

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

January 1, 2014
By Lyle Weischwill
How to replace a dehumidifier sensor assembly

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

Repair difficulty
Time required
45 minutes or less
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 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 the electronic control board and fix your dehumidifier.

Repair difficulty
Time required
45 minutes or less

Symptoms common to all dehumidifiers

Choose a symptom to see related dehumidifier repairs.

Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, bad compressor
Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure
Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection
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: 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
Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor

Articles and videos common to all dehumidifiers

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

August 18, 2021

Using a wiring schematic to trace a current video

By Sears PartsDirect staff

Find out what’s wrong with your appliance by following a circuit.

January 6, 2015

How to stop dehumidifier leaks

By Sears PartsDirect staff

Here are some tips to stop a dehumidifier from leaking water.

December 16, 2014

How to clean a dehumidifier

By Sears PartsDirect staff

How to clean a dehumidifier for more efficient operation.