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Bosch
Electric Wall Oven

Model # HBN646AUC/01 Official Bosch electric oven

Here are the diagrams and repair parts for Official Bosch HBN646AUC-01 electric 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.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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Showing 10 of 139 parts  |
Lamp 00420228
#238

Cavity diagram

Lamp

Part #00420228

Replaced by #00189351

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Manufacturer substitution
This part replaces 00420228. Substitute parts can look different from the original.
$25.79 | 
19% OFF Phone Price : $31.79
In Stock
Hinge Plate 00421509
#424

Frame diagram

Hinge plate

Part #00421509

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

Sleeve 00420182
#402

Frame diagram

Sleeve

Part #00420182

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

Door Hinge 00421026
#507

Door diagram

Door hinge

Part #00421026

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

Glass Panel 00240458
#510

Door diagram

Glass panel

Part #00240458

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

Ring 00493806
#124

Control panel diagram

Ring

Part #00493806

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

Insulating 00490349
#414

Frame diagram

Insulating

Part #00490349

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

Handle 00421499
#420

Frame diagram

Handle

Part #00421499

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

Cover 00240763
#432

Frame diagram

Cover

Part #00240763

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

Hinge 00491279
#423

Frame diagram

Hinge

Part #00491279

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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