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Amana
Dehumidifier

Model # DH37A6GA-4F51B Official Amana dehumidifier

Here are the diagrams and repair parts for Official Amana DH37A6GA-4F51B dehumidifier, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 50 parts  |
Nut 430016-501
#20A

System & chassis diagram

Nut

Part #430016-501

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

Switch Overlay 18470-2
#24

System & chassis diagram

Switch overlay

Part #18470-2

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

Screw 400016-4
#3

Cabinet diagram

Screw

Part #400016-4

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

Evaporator Coil 18545-3
#7

System & chassis diagram

Evaporator coil

Part #18545-3

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

Compressor RA948-1
#1

System & chassis diagram

Compressor

Part #RA948-1

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

Channel 18352-2
#15A

System & chassis diagram

Channel

Part #18352-2

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

Pan Base 18126-3
#12A

System & chassis diagram

Pan base

Part #18126-3

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

Bracket 18350-2
#13A

System & chassis diagram

Bracket

Part #18350-2

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

Screw 400030-804
#2A

Cabinet diagram

Screw

Part #400030-804

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

Cover 18403-1
#5

System & chassis diagram

Cover

Part #18403-1

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 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 won't my dehumidifier run?

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

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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 is there frost on my dehumidifier's coil?

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

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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 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 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 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 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
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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