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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Installation guide

Error Codes

Model diagram and schematic

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Showing 10 of 32 parts |

Recommended spare parts diagram

Frigidaire bulkhead

Part #5304505957

$28.08

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Frigidaire base

Part #5304505958

$24.78

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Frigidaire control box

Part #5304505959

$350.98

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#23

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Reactor

Part #5304505939

$87.44

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#35

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Sensor

Part #5304505947

$22.84

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#37

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Sensor

Part #5304505948

$28.51

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#19

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Frigidaire motor

Part #5304505965

$244.16

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#26

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Frigidaire valve assembly

Part #5304505971

$93.29

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Frigidaire bracket

Part #5304505954

$10.07

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#15

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Grille

Part #5304505962

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

Most common symptoms to help you fix your ranges

Choose a symptom to see related range repairs.

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Why can't I unlock my range's oven door?

Main causes: broken oven door lock assembly, wiring failure, electronic control board problem…

Why is my range's oven temperature wrong?

Main causes: faulty temperature sensor, electronic control board problem, control thermostat failure, weak burner ignite…

Why won't my range's oven heat?

Main causes: power supply problem, control thermostat or electronic control board failure, broken element, bad burner ig…

How do I get rid of streaks on my range's oven window?

Main causes: food splatters, spilling food on the oven door, allowing liquid to drip through oven door vent when cleanin…

Why doesn't my range's oven broiler work?

Main causes: broken broiler element, weak or broken broil burner igniter, control system failure, faulty temperature sen…

Why won't my range's oven bake?

Main causes: bad bake element, broken burner igniter, control system failure, blown thermal fuse, faulty temperature sen…

Why isn't my range working?

Main causes: power supply failure, blown thermal fuse, bad relay control board, damaged terminal block, wiring failure…

Most common repair guides to help fix your ranges

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

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How to replace a range oven door switch

The oven door switch detects whether the oven door is closed and helps control the oven light. Replace the switch if it …

Repair difficulty

Time required

30 minutes or less

How to replace a range oven door lock assembly

Oven door not locking? You can replace the lock assembly in less than 30 minutes. Here's how.…

Repair difficulty

Time required

15 minutes or less

Effective articles & videos to help repair your ranges

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

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How to clean and maintain your stove

Learn how to clean and maintain your stove to keep it in top shape.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Model # FFMS121CQ10 Official Frigidaire room air conditioner

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your ranges

Why can't I unlock my range's oven door?

Why is my range's oven temperature wrong?

Why won't my range's oven heat?

How do I get rid of streaks on my range's oven window?

Why doesn't my range's oven broiler work?

Why won't my range's oven bake?

Why isn't my range working?

Most common repair guides to help fix your ranges

How to replace a range oven door switch

How to replace a range oven door lock assembly

Effective articles & videos to help repair your ranges

How to clean and maintain your stove

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Top questions about Sears and Sears PartsDirect

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