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Bosch
Electric Wall Oven

Model # HBN5052AUC/01 Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBN5052AUC-01 wall 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 157 parts  |
Broil Grille 143673
Broil grille

Part #143673

Replaced by #00449756

?
Manufacturer substitution
This part replaces 143673. Substitute parts can look different from the original.
$57.89
In Stock
Wall Oven Filter 489268
#110

Control panel diagram

Wall oven filter

Part #489268

Replaced by #00489268

?
Manufacturer substitution
This part replaces 489268. Substitute parts can look different from the original.
$29.04 | 
17% OFF Phone Price : $35.04
In Stock
Element 241778
#328

Upper cavity diagram

Element

Part #241778

Replaced by #00241778

?
Manufacturer substitution
This part replaces 241778. Substitute parts can look different from the original.
$114.79 | 
9% OFF Phone Price : $126.79
In Stock
Oven Bulb 420228
Oven bulb

Part #420228

Replaced by #00189351

?
Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79 | 
19% OFF Phone Price : $31.79
In Stock
Support 490363
Support

Part #490363

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

Rear Case 240873
#412

Upper body diagram

Rear case

Part #240873

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

Wall Oven Door Hinge 421026
Wall oven door hinge

Part #421026

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

Oven Element 420225
Oven element

Part #420225

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

Element 420222
#327

Upper cavity diagram

Element

Part #420222

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

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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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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Wall oven common questions

Wall oven common questions

Read the questions our experts often hear about wall ovens, and the answers.…

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