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Frigidaire
Dehumidifier

Model # FDD40J2 Official Frigidaire dehumidifier

Here are the diagrams and repair parts for Official Frigidaire FDD40J2 dehumidifier, as well as links to manuals and error code tables, if available.

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  • 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”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

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ALL PARTS
Showing 10 of 39 parts  |
Relay 5303273998

#NI

All parts diagram

Relay

Part #5303273998

Replaced by #216594300

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Manufacturer substitution
This part replaces 5303273998. Substitute parts can look different from the original.
$53.69 | 
10% OFF Phone Price : $59.69
In Stock
Capillary Tube 5304416437

#NI

All parts diagram

Capillary tube

Part #5304416437

This item is not returnable
$2.49
In Stock
Kelvinator Room Air Conditioner Lock Nut 08007481

#NI

All parts diagram

Kelvinator room air conditioner lock nut

Part #08007481

This item is not returnable
$5.74
In Stock
Scroll 327660201
#59

System parts diagram

Scroll

Part #327660201

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

Overlay 327360502
#5

Wrapper diagram

Overlay

Part #327360502

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

Front 327661501
#8

Wrapper diagram

Front

Part #327661501

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

Bracket 327362101
#10

System parts diagram

Bracket

Part #327362101

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

Clip 5303273997

#NI

All parts diagram

Clip

Part #5303273997

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

Condenser 327361001
#26

System parts diagram

Condenser

Part #327361001

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

Owner's Manual 327000009

#NI

All parts diagram

Owner's manual

Part #327000009

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 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 turn on?

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

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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's remote monitor working?

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

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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 draining?

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

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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 won't my dehumidifier run?

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

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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 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
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 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

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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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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How does a dehumidifier work?

How does a dehumidifier work?

Discover how a dehumidifier works.…

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