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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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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 27 parts  |
Lamp Cmplt 606646
#19

Range hood diagram

Lamp cmplt

Part #606646

Replaced by #00606646

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Manufacturer substitution
This part replaces 606646. Substitute parts can look different from the original.
$113.79 | 
8% OFF Phone Price : $123.79
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 | 
7% OFF Phone Price : $141.79
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 | 
$10.00 OFF Phone Price : $231.19
In Stock
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 | 
5% OFF Phone Price : $92.79
In Stock
Cable Harness 645727
#14

Range hood diagram

Cable harness

Part #645727

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

Bracket 182634
#27

Range hood diagram

Bracket

Part #182634

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

Cable Harness 645728
#13

Range hood diagram

Cable harness

Part #645728

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

Module-ope 645720
#23

Range hood diagram

Module-ope

Part #645720

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

Guide 428272
Guide

Part #428272

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

Mounting 645581
#26

Range hood diagram

Mounting

Part #645581

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…

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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…

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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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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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