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Bosch
Electric Wall Oven

Model # HBN5450UC/07 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN5450UC-07 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.

Installation guide
Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 89 parts  |
Oven Electronic Control Board 659614
#201A

Pcb's asy diagram

Oven electronic control board

Part #659614

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

Control Module 655329
#201

Pcb's asy diagram

Control module

Part #655329

Replaced by #12022212

?
Manufacturer substitution
This part replaces 655329. Substitute parts can look different from the original.
This item is not returnable
$321.71
| 
$12.00 OFF Phone Price : $333.71
In Stock
Wall Oven Display Control Board 703859
#101

Control panel diagram

Wall oven display control board

Part #703859

Replaced by #00703859

?
Manufacturer substitution
This part replaces 703859. Substitute parts can look different from the original.
$724.93
| 
$12.00 OFF Phone Price : $736.93
In Stock
Power Supply 663802
#203

Pcb's asy diagram

Power supply

Part #663802

Replaced by #00663802

?
Manufacturer substitution
This part replaces 663802. Substitute parts can look different from the original.
$128.19
| 
9% OFF Phone Price : $140.19
In Stock
Temperature Limit 612548
#206

Pcb's asy diagram

Temperature limit

Part #612548

Replaced by #00617877

?
Manufacturer substitution
This part replaces 612548. Substitute parts can look different from the original.
$29.36
In Stock
Latch 644216
#205

Pcb's asy diagram

Latch

Part #644216

Replaced by #00751505

?
Manufacturer substitution
This part replaces 644216. Substitute parts can look different from the original.
$144.49
| 
8% OFF Phone Price : $156.49
In Stock
Wall Oven Selector Switch Knob 609121
#105

Control panel diagram

Wall oven selector switch knob

Part #609121

Replaced by #00609121

?
Manufacturer substitution
This part replaces 609121. Substitute parts can look different from the original.
$47.99
| 
11% OFF Phone Price : $53.99
In Stock
Ring 423808
#103

Control panel diagram

Ring

Part #423808

Replaced by #00423808

?
Manufacturer substitution
This part replaces 423808. Substitute parts can look different from the original.
This item is not returnable
$20.34
In Stock
Fan 665045
#204

Pcb's asy diagram

Fan

Part #665045

Replaced by #00665045

?
Manufacturer substitution
This part replaces 665045. Substitute parts can look different from the original.
$187.14
In Stock
Bracket 613179
#412

Door assy diagram

Bracket

Part #613179

Replaced by #00613179

?
Manufacturer substitution
This part replaces 613179. Substitute parts can look different from the original.
$23.49
In Stock

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

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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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