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Thermador
Range Hood

Model # HMCB42FS/02 Official Thermador chimney wall hood

Here are the diagrams and repair parts for Official Thermador HMCB42FS-02 chimney wall hood, 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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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 27 parts  |
Capacitor 418450
#18

Range hood diagram

Capacitor

Part #418450

Replaced by #00418450

?
Manufacturer substitution
This part replaces 418450. Substitute parts can look different from the original.
$87.79 | 
6% OFF Phone Price : $93.79
In Stock
Bracket 182634
#27

Range hood diagram

Bracket

Part #182634

This item is not returnable
$2.99
In Stock
Terminal 603920
#16

Range hood diagram

Terminal

Part #603920

Replaced by #00603920

?
Manufacturer substitution
This part replaces 603920. Substitute parts can look different from the original.
$37.69
In Stock
Lamp Cmplt 606646
#19

Range hood diagram

Lamp cmplt

Part #606646

Replaced by #00606646

?
Manufacturer substitution
This part replaces 606646. Substitute parts can look different from the original.
$113.79 | 
10% OFF Phone Price : $125.79
In Stock
Pcb Module 643556
#15

Range hood diagram

Pcb module

Part #643556

Replaced by #00643556

?
Manufacturer substitution
This part replaces 643556. Substitute parts can look different from the original.
$221.19 | 
5% OFF Phone Price : $233.19
In Stock
Filter-met 669164
#22

Range hood diagram

Filter-met

Part #669164

Replaced by #00669164

?
Manufacturer substitution
This part replaces 669164. Substitute parts can look different from the original.
$131.79 | 
8% OFF Phone Price : $143.79
In Stock
Fan Motor 669151
#5

Range hood diagram

Fan motor

Part #669151

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

Installation 544689
#NI

Range hood diagram

Installation

Part #544689

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

Installation 544687
#NI

Range hood diagram

Installation

Part #544687

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

Cable Harness 645726
#11

Range hood diagram

Cable harness

Part #645726

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

Most common symptoms to help you fix your range hoods

Choose a symptom to see related range hood repairs.

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Why doesn't my range hood's fan work?

Main causes: bad fan switch, electronic control board failure, faulty user interface control, wiring failure…

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Why don't my range hood's lights work?

Main causes: bad light bulb, broken light switch, bad electronic control, user interface control failure, bad light sock…

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Why does my range hood's fan turn on by itself?

Main causes: sentry feature trips due to high cooktop temperature, bad temperature sensor, electronic control board fail…

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Why doesn't my range hood work?

Main causes: lack of electrical power, bad electronic control board, faulty user interface, fan and light switch failure…

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Why isn't my range hood's fan pulling much air?

Main causes: clogged air filters, air duct problems, fan motor failure, broken fan blade…

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Why is my range hood's exhaust fan noisy?

Main causes: loose mounting screws, bad fan motor, damaged fan blade, worn fan motor bearings…

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Why don't my range hood's lights and fan work?

Main causes: electronic control board failure, bad user interface control, light and fan switch failures, wiring failure…

Read more

Most common repair guides to help fix your range hoods

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

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How to replace a range hood fan motor

How to replace a range hood fan motor

If the fan on the range hood won’t run, it’s likely that the fan motor has failed. Follow the steps in this guide to rep…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range hood fan switch

How to replace a range hood fan switch

The fan switch activates the fan motor in the range hood. If the fan switch is defective, replace it using the detailed …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range hood light socket

How to replace a range hood light socket

When you replace a light bulb and it still won’t work, the socket is likely defective. Use the detailed steps in this re…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your range hoods

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

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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.…

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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.…

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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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