Can’t find your part? Contact us:

+1-309-603-4777

Dehumidifier

Model # MC40S7GUNB Official Gibson dehumidifier - lg34588020

Here are the diagrams and repair parts for Official Gibson MC40S7GUNB dehumidifier - lg34588020, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 52 parts |

Switch-on/of W243C320H01

Air control parts diagram

Switch-on/of

Part #W243C320H01

Replaced by #5303012345

?

$39.35

In Stock

Qty

Condenser WE807304

Water and condensing parts diagram

Condenser

Part #WE807304

The manufacturer no longer makes this part, and there's no substitute part

Bracket WE644201

Air control parts diagram

Bracket

Part #WE644201

The manufacturer no longer makes this part, and there's no substitute part

Hex Nut, Motor Mount (2) WC502588

Air control parts diagram

Hex nut, motor mount (2)

Part #WC502588

The manufacturer no longer makes this part, and there's no substitute part

Bracket WE644501

Air control parts diagram

Bracket

Part #WE644501

The manufacturer no longer makes this part, and there's no substitute part

Bucket WE809801

Water and condensing parts diagram

Bucket

Part #WE809801

The manufacturer no longer makes this part, and there's no substitute part

Screw WC502009

Air control parts diagram

Screw

Part #WC502009

The manufacturer no longer makes this part, and there's no substitute part

Clamp WA264602

Air control parts diagram

Clamp

Part #WA264602

The manufacturer no longer makes this part, and there's no substitute part

Screw 3001801

Air control parts diagram

Screw

Part #3001801

The manufacturer no longer makes this part, and there's no substitute part

Motor 3016967

Air control parts diagram

Motor

Part #3016967

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your dehumidifiers

Choose a symptom to see related dehumidifier repairs.

Why does my dehumidifier run all the time?

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

Why isn't my dehumidifier draining?

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

Why won't my dehumidifier turn on?

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

Why is there frost on my dehumidifier's coil?

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

Why isn't my dehumidifier's remote monitor working?

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

Why doesn't my dehumidifier remove moisture?

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

Why won't my dehumidifier run?

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

Why is my dehumidifier noisy?

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

Why does my dehumidifier leak 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 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…

Stay Connected