Model # MR25N3 Official Frigidaire dehumidifier

Here are the diagrams and repair parts for Official Frigidaire MR25N3 dehumidifier, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

Click a diagram to see the parts shown on that diagram.
In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 10 of 47 parts |

Screw

Part #08016435

This item is not returnable

$2.16

In Stock

Qty

Air, water and condensing parts diagram

Switch

Part #5303012345

$39.35

In Stock

Qty

Kelvinator Room Air Conditioner Lock Nut 08007481

#14

Air, water and condensing parts diagram

Kelvinator room air conditioner lock nut

Part #08007481

This item is not returnable

$5.74

In Stock

Qty

#17

Air, water and condensing parts diagram

Screw

Part #5308007473

Replaced by #5304455651

$13.26

In Stock

Qty

Compressor parts diagram

Compressor kit

Part #5303925094

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

#22

Air, water and condensing parts diagram

Screw

Part #08007670

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

Cabinet and control parts diagram

Escutcheon

Part #5308017380

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

#18

Air, water and condensing parts diagram

Base

Part #5303272812

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

Air, water and condensing parts diagram

Screw

Part #3001801

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

Dehumidifier Defrost Bi-metal Thermostat 5303279149

#25

Air, water and condensing parts diagram

Dehumidifier defrost bi-metal thermostat

Part #5303279149

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.

View all

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.

View all

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.

View all

Wiring schematic symbols explained video

Model # MR25N3 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

Parts & More

Stay Connected

Quick links

Let us help you

More resources