January 01, 2014

How to replace a dehumidifier user interface control board

How to replace a dehumidifier user interface control board

This DIY repair guide explains how to replace the user interface control board on a dehumidifier. The user interface control board lets you program the dehumidifier. If the user interface won't respond when you push the buttons, replace it with the manufacturer-approved dehumidifier part.

This basic procedure works for Kenmore, LG and DeLonghi dehumidifiers.

Quick links
Tools required
Phillips screwdriver
Work gloves
Repair difficulty
Time required
30 minutes or less
Repair difficulty
Time required
30 minutes or less

Instructions

  1. 01.

    Disconnect power

    Unplug the power cord from the wall outlet.

  2. 02.

    Remove the collection bucket

    Pull the water collection bucket out of the front of the dehumidifier case.

    PHOTO: Remove the collection bucket.

    PHOTO: Remove the collection bucket.

  3. 03.

    Remove the air filter

    Pull the air filter out of the bottom of the front grille.

    Tip: Clean the air filter if it is dirty.
    PHOTO: Remove the air filter.

    PHOTO: Remove the air filter.

  4. 04.

    Remove the front grille

    Remove the 2 screws at the bottom of the front grille that secure it to the frame.

    Lift the front grille off of the front of the grille. The user interface control board wires are still attached.

    PHOTO: Remove the screws.

    PHOTO: Remove the screws.

    PHOTO: Pull the front grille up and off.

    PHOTO: Pull the front grille up and off.

  5. 05.

    Remove the user interface control board

    Remove the mounting screws that attach the user interface control board to the control panel.

    Lift the user interface control board out of the front grille.

    Unplug the user interface wire harness connection and discard the user interface control board.

    PHOTO: Remove the mounting screws.

    PHOTO: Remove the mounting screws.

    PHOTO: Lift the user interface control board out of the grille.

    PHOTO: Lift the user interface control board out of the grille.

    PHOTO: Unplug the wire harness.

    PHOTO: Unplug the wire harness.

  6. 06.

    Install the new user interface control board

    Plug the wire harness into the new user interface control board.

    Position the user interface control board in the control panel and secure it with the mounting screws.

  7. 07.

    Reinstall the front grille

    Position the front grille on the dehumidifier and secure it with the mounting screws.

  8. 08.

    Replace the filter and collection bucket

    Push the filter back into the front grille.

    Reinstall the collection bucket in the front of the dehumidifier.

  9. 09.

    Restore power

    Plug the dehumidifier back into the wall outlet.

Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

Most common symptoms to help you fix your dehumidifiers

Choose a symptom to see related dehumidifier repairs.

Main causes: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the …

Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure…

Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, b…

Main causes: weak or dead batteries, out of range, radio frequency interference…

Main causes: room temperature below 65 degrees Fahrenheit, control system failure…

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

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

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

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 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
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 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

Effective articles & videos to help repair your dehumidifiers

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

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…

How does a dehumidifier work?

How does a dehumidifier work?

Discover how a dehumidifier works.…