Frigidaire
Dehumidifier

Model # FDD40J7 Official Frigidaire dehumidifier

Here are the diagrams and repair parts for Official Frigidaire FDD40J7 dehumidifier, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 46 parts  |

Relay 3204486
#NI

System diagram

Relay

Part #3204486

Replaced by #216594300

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Manufacturer substitution
This part replaces 3204486. Substitute parts can look different from the original.
$53.69
10% OFF Phone Price : $59.69
In Stock
Compressor 327603704
#34

System diagram

Compressor

Part #327603704

In Stock
Kelvinator Room Air Conditioner Lock Nut 08007481
#NI

System diagram

Kelvinator room air conditioner lock nut

Part #08007481

This item is not returnable
In Stock
Bucket 327660701
#31

Front & wrapper diagram

Bucket

Part #327660701

In Stock
Front 327661501
#8

Front & wrapper diagram

Front

Part #327661501

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

Bracket 327362101
#10

System diagram

Bracket

Part #327362101

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

Evaporator 327361403
#28

System diagram

Evaporator

Part #327361403

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

Switch 327161201
#NI

Front & wrapper diagram

Switch

Part #327161201

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

Hose Cap 327160101
#55

Front & wrapper diagram

Hose cap

Part #327160101

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

Room Air Conditioner Compressor Mount Retainer Nut 5308006948
#37

System diagram

Room air conditioner compressor mount retainer nut

Part #5308006948

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

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

Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, b…

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

Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control 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: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the …

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 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
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…