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Thermador
Small Appliance

Model # GNG12MW Official Thermador griddle

Here are the diagrams and repair parts for Official Thermador GNG12MW griddle, 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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 29 parts  |
Screw 14-90-023
#11A

Main top assembly- image diagram

Screw

Part #14-90-023

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

Bezel 14-41-479-10
#12

Main top assembly- image diagram

Bezel

Part #14-41-479-10

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

Connector 14-09-641
#9

Main top assembly- image diagram

Connector

Part #14-09-641

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

Switch Bracket 14-41-559-01
#18

Main top assembly- image diagram

Switch bracket

Part #14-41-559-01

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

Screw, Bracket (3) 14-91-053
#9

Griddle assembly- image diagram

Screw, bracket (3)

Part #14-91-053

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

Lockwasher (4) 14-92-007
Lockwasher (4)

Part #14-92-007

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

Pushmount, Cable Tie 14-39-109

#NI

All parts diagram

Pushmount, cable tie

Part #14-39-109

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

Conduit, Flexible, 3/8 X 54" 14-41-701
#10

Main top assembly- image diagram

Conduit, flexible, 3/8 x 54"

Part #14-41-701

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

Cover 144-31-158-03
#1

Griddle assembly- image diagram

Cover

Part #144-31-158-03

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

Broiler Pan 14-31-156-02
#8

Griddle assembly- image diagram

Broiler pan

Part #14-31-156-02

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

Most common symptoms to help you fix your freestanding freezers

Choose a symptom to see related freezer repairs.

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Why don't the lights in my freezer work?

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

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What should I do when my freezer's high-temperature alarm sounds?

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

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Why isn't my freezer cooling?

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

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Why does my freezer have a lot of frost inside?

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

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Why is my freezer too warm?

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

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Why is my freezer hot on the outside?

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

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Why isn't my freezer running?

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

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Why is my freezer so noisy?

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

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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…

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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…

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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…

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Repair difficulty
Time required
 45 minutes or less

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Wiring schematic symbols explained video

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How to use a multimeter to test electrical parts video

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