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Bosch
Electric Wall Oven

Model # HBN5045AUC/01 Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBN5045AUC-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 143 parts  |
Wall Oven Filter 489268
#107

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
Broil Grille 143673
#435

Body diagram

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
Element 241778
#337

Oven 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
#325

Oven cavity diagram

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
Lock Washer 420210
#205

Plenum diagram

Lock washer

Part #420210

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

Hinge Box 497236
#432

Body diagram

Hinge box

Part #497236

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

Insulator 432126
#415

Body diagram

Insulator

Part #432126

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

Oven Shelf 445289
#437

Body diagram

Oven shelf

Part #445289

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

Sleeve 420182
#402

Body diagram

Sleeve

Part #420182

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

Oven Switch 600167
#418

Body diagram

Oven switch

Part #600167

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…

Read more
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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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

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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