Gibson
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

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 52 parts  |

Switch-on/of W243C320H01
#5

Air control parts diagram

Switch-on/of

Part #W243C320H01

Replaced by #5303012345

?
Manufacturer substitution
This part replaces W243C320H01. Substitute parts can look different from the original.
In Stock
Clamp WA264602
#12

Air control parts diagram

Clamp

Part #WA264602

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

Relay 3002965
#7

Compressor parts diagram

Relay

Part #3002965

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

Front W6125D30H28
#6

Cabinet and control parts diagram

Front

Part #W6125D30H28

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

Protector 3017454
#5

Compressor parts diagram

Protector

Part #3017454

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

Compressor 3017456
#1

Compressor parts diagram

Compressor

Part #3017456

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

Evaporator 3017459
#5

Water and condensing parts diagram

Evaporator

Part #3017459

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

Washer WC415609
#3

Compressor parts diagram

Washer

Part #WC415609

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

Cover Relay 3003005
#6

Compressor parts diagram

Cover relay

Part #3003005

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

Caster WY53946
#13

Water and condensing parts diagram

Caster

Part #WY53946

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.

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…