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Whirlpool D40A3 dehumidifier Parts
Here are the diagrams and repair parts for Whirlpool D40A3 dehumidifier, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
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Browse Parts for D40A3 Dehumidifier
Airflow and control diagram
Washer
Part #489091
The manufacturer no longer makes this part, and there's no substitute part
Airflow and control diagram
Fan Blade
Part #949645
The manufacturer no longer makes this part, and there's no substitute part
Unit diagram
Pin
Part #489015
The manufacturer no longer makes this part, and there's no substitute part
Airflow and control diagram
Indicator Light
Part #1164804
The manufacturer no longer makes this part, and there's no substitute part
Cabinet diagram
Lens
Part #998846
The manufacturer no longer makes this part, and there's no substitute part
Airflow and control diagram
Dehumidifier Water-level Switch
Part #999747
The manufacturer no longer makes this part, and there's no substitute part
Airflow and control diagram
Dehumidifier Humidistat
Part #1166055
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Washer
Part #978865
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Technical Sheet
Part #LIT1168183
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Epoxy Tube
Part #799833
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: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor…
Main causes: clogged drain hose, drain hose not properly connected…
Main causes: collection bucket not installed, collection bucket full of water…
Main causes: room temperature below 65 degrees Fahrenheit, control system failure…
Main causes: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the …
Main causes: lack of electrical power, wiring failure, electronic control board failure, user interface control failure…
Main causes: collection bucket not installed correctly, cracked collection bucket, loose drain hose connection…
Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, b…
Main causes: weak or dead batteries, out of range, radio frequency interference…
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
If the dehumidifier doesn’t respond when you try to set it, follow these steps to replace it.…
Repair time and Difficulty
30 minutes or less
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 time and Difficulty
45 minutes or less
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 time and Difficulty
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.
Find out what’s wrong with your appliance by following a circuit.…
Here are some tips to stop a dehumidifier from leaking water.…
Discover how a dehumidifier works.…
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