Frigidaire
Upright Freezer

Model # PLFU1778ES3 Official Frigidaire freezer

Here are the diagrams and repair parts for Official Frigidaire PLFU1778ES3 freezer, as well as links to manuals and error code tables, if available.

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

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

Model diagram and schematic

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Showing 10 of 125 parts  |

Filter Drier 216938600
#4

System diagram

Filter drier

Part #216938600

Replaced by #5303305677

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Manufacturer substitution
This part replaces 216938600. Substitute parts can look different from the original.
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Freezer Evaporator 216997300
#15

System diagram

Freezer evaporator

Part #216997300

Replaced by #297414901

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Manufacturer substitution
This part replaces 216997300. Substitute parts can look different from the original.
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$87.43
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Upright Freezer Defrost Timer 216744400
#23

System diagram

Upright freezer defrost timer

Part #216744400

Replaced by #5304518034

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Manufacturer substitution
This part replaces 216744400. Substitute parts can look different from the original.
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Motor 216934100
#13

Cabinet diagram

Motor

Part #216934100

Replaced by #297309000

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Manufacturer substitution
This part replaces 216934100. Substitute parts can look different from the original.
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Chest Freezer Defrost Thermostat 216872200
#20

System diagram

Chest freezer defrost thermostat

Part #216872200

Replaced by #297216600

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Manufacturer substitution
This part replaces 216872200. Substitute parts can look different from the original.
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Freezer Gasket And Liner Fastener Kit 5304406520
#NI

Door diagram

Freezer gasket and liner fastener kit

Part #5304406520

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Refrigerator Door Gasket (black) 216522311
#1

Door diagram

Refrigerator door gasket (black)

Part #216522311

Replaced by #5304507206

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Manufacturer substitution
This part replaces 216522311. Substitute parts can look different from the original.
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Light Bulb 216988100
#15

Cabinet diagram

Light bulb

Part #216988100

Replaced by #5304517886

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Manufacturer substitution
This part replaces 216988100. Substitute parts can look different from the original.
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Motor 240525402
#60

System diagram

Motor

Part #240525402

Replaced by #5303918774

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Manufacturer substitution
This part replaces 240525402. Substitute parts can look different from the original.
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Switch 216998100
#14

Cabinet diagram

Switch

Part #216998100

Replaced by #216822900

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Manufacturer substitution
This part replaces 216998100. Substitute parts can look different from the original.
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$51.35
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In Stock

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

Main causes: lack of power, bad compressor, refrigerant leak, bad thermistor, defrost system failure, dirty condenser co…

Main causes: dirty condenser coils, condenser fan failure, dirty bottom front grill, leaky door or lid gasket…

Main causes: excessive frost, bad defrost heater, bad defrost bi-metal, control system failure, low refrigerant charge, …

Main causes: burned out light bulb, bad door or lid switch, faulty LED light board, wiring failure, control system failu…

Main causes: damaged door or lid gasket, cracked cabinet liner, bad defrost bi-metal thermostat, broken defrost heater, …

Main causes: compressor failure, no refrigerant, faulty sensor, control failure, broken defrost heater, bad defrost bi-m…

Main causes: leaky door or lid gasket, broken defrost heater, bad defrost bi-metal thermostat, defrost control failure, …

Main causes: lack of power, control system failure, broken compressor start relay, locked up compressor, compressor moto…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your freestanding freezers

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

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

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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…