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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  |
Screw 400030-1

#NI06

All parts diagram

Screw

Part #400030-1

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

Float 18153-1
#9

Cabinet/front diagram

Float

Part #18153-1

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

Front 18554-1
#3

Cabinet/front diagram

Front

Part #18554-1

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

Escutcheon 18538-9

#NI15

All parts diagram

Escutcheon

Part #18538-9

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

Screw 400007-4

#NI12

All parts diagram

Screw

Part #400007-4

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

Fan Motor 18186-13
#19

System and chassis diagram

Fan motor

Part #18186-13

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

Clamp 18167-1
#18

System and chassis diagram

Clamp

Part #18167-1

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

Bracket 18350-2
#13

System and chassis diagram

Bracket

Part #18350-2

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…

Read more
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 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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