Friedrich
Dehumidifier

Model #D40B Friedrich dehumidifier

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

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Owner’s manual

    Showing 10 of 31 parts

    Grille#C4

    Cabinet parts Diagram

    Grille

    Part #67306010

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

    Motor Mount#A4

    Cabinet parts Diagram

    Motor mount

    Part #67400112

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

    Cabinet#D1

    Cabinet parts Diagram

    Cabinet

    Part #67400185

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

    Power Cord#B3

    Cabinet parts Diagram

    Power cord

    Part #67500024

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

    Shroud#A5

    Cabinet parts Diagram

    Shroud

    Part #67500087

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

    Sensor Assembly#E1

    Cabinet parts Diagram

    Sensor assembly

    Part #67500093

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

    Rear Grille#J1

    Cabinet parts Diagram

    Rear grille

    Part #67307204

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

    Drain Pan Assembly#G3

    Cabinet parts Diagram

    Drain pan assembly

    Part #67500074

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

    Capacitor#B1

    Cabinet parts Diagram

    Capacitor

    Part #67400182

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

    Control Board#C1

    Cabinet parts Diagram

    Control board

    Part #67500092

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

    Symptoms common to all dehumidifiers

    Choose a symptom to see related dehumidifier repairs.

    Main causes: dehumidifier too small for the space, bad humidity sensor, faulty evaporator thermistor, low refrigerant, bad compressor
    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: collection bucket not installed, collection bucket full of water
    Main causes: room temperature below 65 degrees Fahrenheit, control system failure
    Main causes: clogged drain hose, drain hose not properly connected
    Main causes: weak or dead batteries, out of range, radio frequency interference
    Main causes: dirty air filter, clogged grill, dehumidifier placed too close to the wall, dehumidifier too small for the space
    Main causes: loose fan motor mounting screws, loose compressor mounting bracket screws, bad fan, faulty compressor

    Repair guides common to all dehumidifiers

    These step-by-step repair guides will help you safely fix what’s broken on your dehumidifier.

    January 1, 2014
    By Lyle Weischwill
    How to replace a dehumidifier sensor assembly

    If the humidifier sensor doesn’t properly detect humidity or evaporator temperature, install a new sensor assembly, following these steps.

    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 the electronic control board and fix your dehumidifier.

    Repair difficulty
    Time required
     45 minutes or less

    Articles and videos common to all dehumidifiers

    Use the advice and tips in these articles to get the most out of your dehumidifier.

    August 18, 2021

    Using a wiring schematic to trace a current video

    By Sears PartsDirect staff

    Find out what’s wrong with your appliance by following a circuit.

    January 6, 2015

    How to stop dehumidifier leaks

    By Sears PartsDirect staff

    Here are some tips to stop a dehumidifier from leaking water.

    December 16, 2014

    How to clean a dehumidifier

    By Sears PartsDirect staff

    How to clean a dehumidifier for more efficient operation.