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Dehumidifier

Model # DH40-P9966602R Official Amana dehumidifier

Here are the diagrams and repair parts for Official Amana DH40-P9966602R 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 54 parts |

Relay R0159032

Compressor diagram

Relay

Part #R0159032

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

Nut R0189043

Unit parts diagram

Nut

Part #R0189043

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

Caster R0176026

Unit parts diagram

Caster

Part #R0176026

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

Switch R0163132

Unit parts diagram

Switch

Part #R0163132

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

Wiring Harness R0164230

Unit parts diagram

Wiring harness

Part #R0164230

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

Screw R0188041

Unit parts diagram

Screw

Part #R0188041

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

Evaporator R0170028

Unit parts diagram

Evaporator

Part #R0170028

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

Nut R0189044

Compressor diagram

Nut

Part #R0189044

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

Fan Blade R0188042

Unit parts diagram

Fan blade

Part #R0188042

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

Dial Plate R0176021

Cabinet and front grille diagram

Dial plate

Part #R0176021

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.

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…

Why isn't my dehumidifier draining?

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

Why won't my dehumidifier turn on?

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

Why is there frost on my dehumidifier's coil?

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

Why isn't my dehumidifier's remote monitor working?

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

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 …

Why won't my dehumidifier run?

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

Why is my dehumidifier noisy?

Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor…

Why does my dehumidifier leak water?

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 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 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 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…

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