Frigidaire
Air Conditioner

Model # FFMS121CQ10 Official Frigidaire room air conditioner

Here are the diagrams and repair parts for Official Frigidaire FFMS121CQ10 room air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 32 parts  |

Frigidaire Bracket 5304505954
#2

Recommended spare parts diagram

Frigidaire bracket

Part #5304505954

In Stock
Frigidaire Motor 5304505965
#19

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Frigidaire motor

Part #5304505965

In Stock
Frigidaire Base 5304505958
#8

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Frigidaire base

Part #5304505958

In Stock
Sensor 5304505947
#35

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Sensor

Part #5304505947

In Stock
Sensor 5304505948
#37

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Sensor

Part #5304505948

In Stock
Reactor 5304505939
#23

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Reactor

Part #5304505939

In Stock
Frigidaire Control Box 5304505959
#9

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Frigidaire control box

Part #5304505959

In Stock
Frigidaire Bulkhead 5304505957
#6

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Frigidaire bulkhead

Part #5304505957

In Stock
Frigidaire Valve Assembly 5304505971
#26

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Frigidaire valve assembly

Part #5304505971

In Stock
Valve 5304505972
#27

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Valve

Part #5304505972

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

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Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

Main causes: bad timer or electronic control board, door switch failure…

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

Most common repair guides to help fix your dryers

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

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How to replace an electronic control board in an electric dryer

The electronic control board manages the components and controls the cycle times in your electric dryer. Follow these st…

Repair difficulty
Time required
 45 minutes or less
How to replace a heating element in an electric dryer

How to replace a heating element in an electric dryer

The heating element in an electric dryer generates the dryer's heat—it's one of the first things to check if the air in …

Repair difficulty
Time required
 15 minutes or less
How to replace a dryer drive motor

How to replace a dryer drive motor

A defective drive motor struggles to rotate the drum or might not turn the drum at all. Follow the steps in this dryer r…

Repair difficulty
Time required
 90 minutes or less

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