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Bosch
Electric Wall Oven

Model # HBN3520UC/01 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN3520UC-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.

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 93 parts  |
Sensor 642855
Sensor

Part #642855

Replaced by #00642855

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Manufacturer substitution
This part replaces 642855. Substitute parts can look different from the original.
$64.49 | 
9% OFF Phone Price : $70.49
In Stock
Latch 644216
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
Latch 663804
Latch

Part #663804

Replaced by #00751505

?
Manufacturer substitution
This part replaces 663804. Substitute parts can look different from the original.
$144.49 | 
8% OFF Phone Price : $156.49
In Stock
Fixing Kit 617877
#503

Vent assy diagram

Fixing kit

Part #617877

Replaced by #00617877

?
Manufacturer substitution
This part replaces 617877. Substitute parts can look different from the original.
$29.36
In Stock
Limiter 642844
#206

Pcb assy diagram

Limiter

Part #642844

Replaced by #00617877

?
Manufacturer substitution
This part replaces 642844. Substitute parts can look different from the original.
$29.36
In Stock
Temperature Limit 612548
#206A

Pcb assy 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
Fan 665045
#204

Pcb assy 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
Control Module 648780
#201A

Pcb assy diagram

Control module

Part #648780

Replaced by #00655356

?
Manufacturer substitution
This part replaces 648780. Substitute parts can look different from the original.
$454.79 | 
$12.00 OFF Phone Price : $466.79
In Stock
Trim Plate 643430
Trim plate

Part #643430

Replaced by #00680904

?
Manufacturer substitution
This part replaces 643430. Substitute parts can look different from the original.
$214.01 | 
5% OFF Phone Price : $226.01
In Stock
Trim Plate 665060
Trim plate

Part #665060

Replaced by #00680904

?
Manufacturer substitution
This part replaces 665060. Substitute parts can look different from the original.
$214.01 | 
5% OFF Phone Price : $226.01
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…

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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

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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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