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Frigidaire
Dehumidifier

Model # MR40E2 Official Frigidaire dehumidifier - lf34588020

Here are the diagrams and repair parts for Official Frigidaire MR40E2 dehumidifier - lf34588020, as well as links to manuals and error code tables, if available.

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Error Codes

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Showing 10 of 70 parts  |
Lens 8012705
#4

Cabinet and control parts diagram

Lens

Part #8012705

This item is not returnable
$2.29
In Stock
Condenser 3015385
#13

Air, water and condensing parts diagram

Condenser

Part #3015385

Replaced by #3015167

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Manufacturer substitution
This part replaces 3015385. Substitute parts can look different from the original.
$67.49
In Stock
Relay 3002965
#5

Compressor parts diagram

Relay

Part #3002965

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

Condenser 3017455
#13

Air, water and condensing parts diagram

Condenser

Part #3017455

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

Screw, Humidistat Cntl. 8012701
Screw, humidistat cntl.

Part #8012701

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

Control 3015195
#30

Air, water and condensing parts diagram

Control

Part #3015195

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

Cover-terminal 8006912
#3

Compressor parts diagram

Cover-terminal

Part #8006912

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

Screw 8010917
#27

Air, water and condensing parts diagram

Screw

Part #8010917

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

Grille 3015194
#10

Cabinet and control parts diagram

Grille

Part #3015194

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

Cord 3015165
#10

Compressor parts diagram

Cord

Part #3015165

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.

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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…

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Why isn't my dehumidifier draining?

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

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Why won't my dehumidifier turn on?

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

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Why is there frost on my dehumidifier's coil?

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

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

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

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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 …

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Why won't my dehumidifier run?

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

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Why is my dehumidifier noisy?

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

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Why does my dehumidifier leak water?

Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection…

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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.

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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…

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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.…

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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…

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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.

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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.…

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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.…

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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…

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