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Bosch
Electric Wall Oven

Model # HBN5660UC/03 Official Bosch oven

Here are the diagrams and repair parts for Official Bosch HBN5660UC-03 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 95 parts  |
Thermador Wall Oven Power Supply Board (replaces 663802) 00663802
#203

Pcb's assy diagram

Thermador wall oven power supply board (replaces 663802)

Part #00663802

$128.19 | 
9% OFF Phone Price : $140.19
In Stock
Wall Oven High-limit Thermostat 00617877
#503

Vent diagram

Wall oven high-limit thermostat

Part #00617877

$29.36
In Stock
Limiter 00642844
#206

Pcb's assy diagram

Limiter

Part #00642844

Replaced by #00617877

?
Manufacturer substitution
This part replaces 00642844. Substitute parts can look different from the original.
$29.36
In Stock
Latch 00644216
Latch

Part #00644216

Replaced by #00751505

?
Manufacturer substitution
This part replaces 00644216. Substitute parts can look different from the original.
$144.49 | 
8% OFF Phone Price : $156.49
In Stock
Ring 00423808
#103

Control panel diagram

Ring

Part #00423808

This item is not returnable
$20.34
In Stock
Wall Oven Cooling Fan Assembly 00665045
#204

Pcb's assy diagram

Wall oven cooling fan assembly

Part #00665045

$187.14
In Stock
Thermador Spacer 00427919
Thermador spacer

Part #00427919

$19.80
In Stock
Thermador Catalyzer 00491572
Thermador catalyzer

Part #00491572

$59.36
In Stock
Oven Door Seal 00643455
Oven door seal

Part #00643455

$36.13
In Stock
Thermador Wall Oven Wire Harness 00663791
#253

Pcb's assy diagram

Thermador wall oven wire harness

Part #00663791

$32.67
In Stock

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Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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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…

Read more

Why won't my wall oven broil?

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

Read more

Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure…

Read more

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…

Read more

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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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 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
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 door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 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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