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Thermador
Upright Freezer

Model # T18IF70CSS-01 Official Thermador built-in freezer column

Here are the diagrams and repair parts for Official Thermador T18IF70CSS-01 built-in freezer column, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 151 parts  |
Clip 603971
#313

Icemaker diagram

Clip

Part #603971

Replaced by #00623319

?
Manufacturer substitution
This part replaces 603971. Substitute parts can look different from the original.
This item is not returnable
$4.89 | 
17% OFF Phone Price : $5.89
In Stock
Switch 168427
#115

Freezer section diagram

Switch

Part #168427

Replaced by #00168427

?
Manufacturer substitution
This part replaces 168427. Substitute parts can look different from the original.
$22.34
In Stock
Defrost Sensor 604025
#130

Freezer section diagram

Defrost sensor

Part #604025

Replaced by #00617203

?
Manufacturer substitution
This part replaces 604025. Substitute parts can look different from the original.
This item is not returnable
$23.59 | 
17% OFF Phone Price : $28.59
In Stock
Transformer 499846
#408

Compressor/condenser diagram

Transformer

Part #499846

Replaced by #00499846

?
Manufacturer substitution
This part replaces 499846. Substitute parts can look different from the original.
$424.93
In Stock
Housing 604246
#135

Freezer section diagram

Housing

Part #604246

Replaced by #00604246

?
Manufacturer substitution
This part replaces 604246. Substitute parts can look different from the original.
$14.26
In Stock
Fuse 604121
#139

Freezer section diagram

Fuse

Part #604121

Replaced by #00615792

?
Manufacturer substitution
This part replaces 604121. Substitute parts can look different from the original.
$84.76
In Stock
Holder 604674
#438

Compressor/condenser diagram

Holder

Part #604674

Replaced by #00604674

?
Manufacturer substitution
This part replaces 604674. Substitute parts can look different from the original.
$7.94
In Stock
Shelf 448853
#301

Icemaker diagram

Shelf

Part #448853

Replaced by #00448853

?
Manufacturer substitution
This part replaces 448853. Substitute parts can look different from the original.
$71.33
In Stock
Air Grid 604024
#129

Freezer section diagram

Air grid

Part #604024

Replaced by #00604024

?
Manufacturer substitution
This part replaces 604024. Substitute parts can look different from the original.
This item is not returnable
$6.06
In Stock
Switch 604020
#126

Freezer section diagram

Switch

Part #604020

Replaced by #00604020

?
Manufacturer substitution
This part replaces 604020. Substitute parts can look different from the original.
$14.57
In Stock

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, …

Read more

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…

Read more

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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Repair guides for upright freezers

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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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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…

Read more
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…

Read more
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.

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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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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.…

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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