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Bosch
Electric Wall Oven

Model # HBN452AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN452AUC-01 electric built-in oven, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

Error Codes

Model diagram and schematic

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Showing 10 of 80 parts  |
Spacer 489263
#489263

Fascia panel diagram

Spacer

Part #489263

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

Oven Blower Motor 435175
Oven blower motor

Part #435175

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

Reflector 434075
Reflector

Part #434075

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

Guide 491254
Guide

Part #491254

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

Lamp 421537
#421537

Fascia panel diagram

Lamp

Part #421537

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

Channel 490357
Channel

Part #490357

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

Clip 420223
Clip

Part #420223

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

Oven Thermostat 490986
Oven thermostat

Part #490986

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

Glass Panel 239450
#239450

Fascia panel diagram

Glass panel

Part #239450

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

Wall Oven High-limit Thermostat 418676
Wall oven high-limit thermostat

Part #418676

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

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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Why isn't my wall oven at the temperature I set?

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element...

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Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure...

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Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure...

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure...

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Why won't my wall oven heat?

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con...

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Why doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat...

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Most common repair guides to help fix your wall oven

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

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How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the...

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Repair difficulty
Time required
60 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat....

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Repair difficulty
Time required
60 minutes or less
How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. ...

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Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your wall oven

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

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home....

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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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