Model # MC40S7GWNA Official Gibson dehumidifier - lg34589010

Here are the diagrams and repair parts for Official Gibson MC40S7GWNA dehumidifier - lg34589010, 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.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 78 parts |

#34

Air, water and condensing parts diagram

Washer

Part #3203469

This item is not returnable

$2.29

In Stock

Qty

#33

Air, water and condensing parts diagram

Nut

Part #3203468

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

Air, water and condensing parts diagram

Mounting

Part #3203439

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

#25

Air, water and condensing parts diagram

Control

Part #3203380

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

#11

Air, water and condensing parts diagram

Cover

Part #3203353

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

#26

Air, water and condensing parts diagram

Tube

Part #3203493

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

Cabinet and control parts diagram

Escutcheon

Part #3203328

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

#29

Air, water and condensing parts diagram

Holder

Part #3203368

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

Air, water and condensing parts diagram

Condenser

Part #3203438

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

#23

Air, water and condensing parts diagram

Grommet

Part #3203343

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.

View all

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.

View all

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

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

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.

View all

Wiring schematic symbols explained video

Model # MC40S7GWNA Official Gibson dehumidifier - lg34589010

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your dehumidifiers

Why does my dehumidifier run all the time?

Why isn't my dehumidifier draining?

Why won't my dehumidifier turn on?

Why is there frost on my dehumidifier's coil?

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

Why doesn't my dehumidifier remove moisture?

Why won't my dehumidifier run?

Why is my dehumidifier noisy?

Why does my dehumidifier leak water?

Most common repair guides to help fix your dehumidifiers

How to replace a dehumidifier sensor assembly

How to replace a dehumidifier user interface control board

How to replace a dehumidifier electronic control board

Effective articles & videos to help repair your dehumidifiers

Wiring schematic symbols explained video

How to repair broken or damaged wires video

How to use a multimeter to test electrical parts video

Parts & More

Stay Connected

Quick links

Let us help you

More resources