Model # MDH25YW4 Official Frigidaire dehumidifier

Here are the diagrams and repair parts for Official Frigidaire MDH25YW4 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 43 parts |

Room air conditioner screw

Part #5303015427

Replaced by #134178901

$14.69

In Stock

Qty

Kelvinator Room Air Conditioner Lock Nut 08007481

#14

Unit parts diagram

Kelvinator room air conditioner lock nut

Part #08007481

This item is not returnable

$5.74

In Stock

Qty

#47

Unit parts diagram

Clip switch

Part #327100001

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

Dehumidifier Water Bucket Safety Switch 5308016437

#21

Unit parts diagram

Dehumidifier water bucket safety switch

Part #5308016437

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

#38

Unit parts diagram

Terminal cover

Part #5304402855

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

#15

Unit parts diagram

Fan blade

Part #5308016448

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

#33

Unit parts diagram

Harness

Part #5303309819

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

#37

Unit parts diagram

Nut

Part #08012645

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

Unit parts diagram

Dehumidifier screw

Part #5303007620

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

#36

Unit parts diagram

Washer

Part #08002956

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 # MDH25YW4 Official Frigidaire 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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