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  |

Switch-on/of W243C320H01
#5

Air control parts diagram

Switch-on/of

Part #W243C320H01

Replaced by #5303012345

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Manufacturer substitution
This part replaces W243C320H01. Substitute parts can look different from the original.
In Stock
Control Knob WA333305
#5

Cabinet and control parts diagram

Control knob

Part #WA333305

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

Condenser 3017455
#3

Water and condensing parts diagram

Condenser

Part #3017455

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

Condenser WE807304
#3

Water and condensing parts diagram

Condenser

Part #WE807304

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

Grommet W684B551H01
#4

Compressor parts diagram

Grommet

Part #W684B551H01

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

Clamp WA264602
#12

Air control parts diagram

Clamp

Part #WA264602

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

Float WE711801
#10

Water and condensing parts diagram

Float

Part #WE711801

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

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

Relay 3017457
#5

Compressor parts diagram

Relay

Part #3017457

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: 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.…