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Bosch
Electric Wall Oven

Model # HBN446AUC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN446AUC-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.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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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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ALL PARTS
Showing 10 of 66 parts  |
Trim Plate 491253
#491253

Door diagram

Trim plate

Part #491253

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

Oven Blower Motor 435175
#435175

Cavity diagram

Oven blower motor

Part #435175

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

Decorative Strip 471240
#471240

Cavity diagram

Decorative strip

Part #471240

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

Complete Support 490361
#490361

Cavity diagram

Complete support

Part #490361

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

Light 418430
#418430

Fascia panel diagram

Light

Part #418430

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

Panel 240813
#240813

Body diagram

Panel

Part #240813

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

Cap Screw 421465
#421465

Internal top panel diagram

Cap screw

Part #421465

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

Insulator 432125
#432125

Body diagram

Insulator

Part #432125

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

Bracket 421545
#421545

Fascia panel diagram

Bracket

Part #421545

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

Nut 420219
#420219

Cavity diagram

Nut

Part #420219

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 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 won't my wall oven broil?

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

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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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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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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 the thermal switch in a wall oven

How to replace the thermal switch in a wall oven

If the oven won't heat after resetting the thermal switch, replace the thermal switch....

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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 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

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

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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