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.

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Model diagram and schematic

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Showing 10 of 52 parts  |

Screw 3001801
#4

Air control parts diagram

Screw

Part #3001801

Replaced by #5303007620

?
Manufacturer substitution
This part replaces 3001801. Substitute parts can look different from the original.
In Stock
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 Evaporator WE807901
#4

Water and condensing parts diagram

Clamp evaporator

Part #WE807901

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

Lens - Light W744B024H02
#4

Cabinet and control parts diagram

Lens - light

Part #W744B024H02

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

Clamp Evaporator WE807801
#6

Water and condensing parts diagram

Clamp evaporator

Part #WE807801

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

Motor Bracket WE806801
#14

Air control parts diagram

Motor bracket

Part #WE806801

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

Spring 3012342
#6

Compressor parts diagram

Spring

Part #3012342

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

Harness 3015170
#8

Water and condensing parts diagram

Harness

Part #3015170

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

Escutcheon 3015377
#3

Cabinet and control parts diagram

Escutcheon

Part #3015377

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…