April 20, 2023

Dehumidifier articles

These dehumidifier articles from Sears PartsDirect help you get the best possible results from your machine. From the answers to common questions to cleaning and maintenance tips, we can help. Check out our DIY dehumidifier repair help section for troubleshooting guidance and step-by-step repair instructions.


Articles and videos common to all dehumidifiers

August 18, 2021
Using a wiring schematic to trace a current.

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

August 18, 2021
Wiring schematic symbols explained.

Learn some of the most common symbols found in a wiring diagram and what they mean.

August 17, 2021
How to read a wiring schematic.

Learn how to decipher symbols so you can buy the right part for your problem.

October 26, 2016
How to repair broken or damaged wires.

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

January 18, 2016
How to use a multimeter to test electrical parts.

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

January 06, 2015
How to stop dehumidifier leaks.

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

January 06, 2015
Dehumidifier doesn't collect water.

Why your dehumidifier doesn't collect water and how to resolve the problem.

December 22, 2014
How a dehumidifier works.

Discover how a dehumidifier works.

December 18, 2014
How to determine what size dehumidifier you should have.

Get help deciding what size of dehumidifier to buy.

December 16, 2014
How to clean a dehumidifier.

How to clean a dehumidifier for more efficient operation.

July 01, 2014
Dehumidifier common questions.

Find answers to questions people often ask about their dehumidifiers.

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.

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