January 10, 2024

Dehumidifier: Why won't my dehumidifier run?

If the collection bucket is in the wrong position or full of water, the dehumidifier shuts off and won't turn back on. Check the bucket position and empty the bucket if it's full.

dehumidifier

THESE REPAIRS MAY HELP SOLVE YOUR DEHUMIDIFIER PROBLEM

JC-DEH-Replace-the-dehumidifier-user-interface-control-board

Replace the dehumidifier user interface control board

The user interface control board in the control panel houses the selection buttons you push. A wire harness connects the user interface control board to the control board. If the selection buttons don't respond when you push them, replace the user interface control board.

Dehumidifier user interface control board

Find the required part specific to your product.

RG-DEH-Replace-Dehumidifier-User-Interface-Control-Board-Intro-Image
January 01, 2014

How to replace a dehumidifier user interface control board

If the buttons on your dehumidifier don't work, the user interface control board could be the issue. This DIY repair guide shows how to replace a dehumidifier user interface control board in less than 30 minutes.

Repair difficulty
Time required
 30 minutes or less
JC-DEH-Replace-the-dehumidifier-electronic-control-board

Replace the dehumidifier electronic control board

The electronic control board regulates the dehumidifier's compressor and fan motor. If the electronic control board doesn't activate the compressor and fan properly, replace the electronic control board.

Dehumidifier electronic control board

Find the required part specific to your product.

RG-DEH-Replace-Dehumidifier-Electronic-Control-Board-Intro-Image
January 01, 2014

How to replace a dehumidifier electronic control board

If your dehumidifier won't turn on, the electronic control board might be to blame. The DIY repair guide shows how to replace a dehumidifer electronic control board.

Repair difficulty
Time required
 45 minutes or less

Most common symptoms to help you fix your 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, b…

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

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: 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: collection bucket not installed, collection bucket full of water…

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

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

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 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 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 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.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

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

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…