Model # D40B Official Friedrich dehumidifier

Here are the diagrams and repair parts for Official Friedrich D40B dehumidifier, as well as links to manuals and error code tables, if available.

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Owner’s manual

Error Codes

Model diagram and schematic

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ALL PARTS

Showing 10 of 31 parts |

#B3

Cabinet parts diagram

Power cord

Part #67500024

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

#A5

Cabinet parts diagram

Shroud

Part #67500087

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

#D1

Cabinet parts diagram

Cabinet

Part #67400185

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

#A4

Cabinet parts diagram

Motor mount

Part #67400112

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

#C4

Cabinet parts diagram

Grille

Part #67306010

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

#B1

Cabinet parts diagram

Capacitor

Part #67400182

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

#B2

Cabinet parts diagram

Control board

Part #67307604

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

#A3

Cabinet parts diagram

Motor

Part #67500081

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

#H4

Cabinet parts diagram

Olp

Part #67301414

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

#A1

Cabinet parts diagram

Evaporator assembly

Part #67400188

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…

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.

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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

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

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.

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Wiring schematic symbols explained video

Model # D40B Official Friedrich dehumidifier

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your dehumidifiers

Why does my dehumidifier run all the time?

Why isn't my dehumidifier draining?

Why won't my dehumidifier turn on?

Why is there frost on my dehumidifier's coil?

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

Why doesn't my dehumidifier remove moisture?

Why won't my dehumidifier run?

Why is my dehumidifier noisy?

Why does my dehumidifier leak water?

Most common repair guides to help fix your dehumidifiers

How to replace a dehumidifier sensor assembly

How to replace a dehumidifier user interface control board

How to replace a dehumidifier electronic control board

Effective articles & videos to help repair your dehumidifiers

Wiring schematic symbols explained video

How to repair broken or damaged wires video

How to use a multimeter to test electrical parts video

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