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Amana
Dehumidifier

Model # DH40J7 Official Amana dehumidifier

Here are the diagrams and repair parts for Official Amana DH40J7 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

Model diagram and schematic

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ALL PARTS
Showing 10 of 51 parts  |
Pan Base 18126-3
#12

System and chassis diagram

Pan base

Part #18126-3

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

Screw 400016-4

#NI13

All parts diagram

Screw

Part #400016-4

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

Switch Overlay 18470-2
#24

System and chassis diagram

Switch overlay

Part #18470-2

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

Sub 405008-103 400002-1

#NI08

All parts diagram

Sub 405008-103

Part #400002-1

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

Cabinet 18127-12
#1

Cabinet/front diagram

Cabinet

Part #18127-12

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

Channel 18351-2
#14

System and chassis diagram

Channel

Part #18351-2

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

Control Panel 18434-4
#2

Cabinet/front diagram

Control panel

Part #18434-4

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

Rod 18152-1
#10

Cabinet/front diagram

Rod

Part #18152-1

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

Guide 18182-1
#11

Cabinet/front diagram

Guide

Part #18182-1

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

Line Cord 18161-4
#17

System and chassis diagram

Line cord

Part #18161-4

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.…

Read more
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…

Read more
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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