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Bosch
Electric Wall Oven

Model # HBN5620UC/03 Official Bosch oven

Here are the diagrams and repair parts for Official Bosch HBN5620UC-03 oven, as well as links to manuals and error code tables, if available.

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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 94 parts  |
Thermador Wall Oven Power Supply Board (replaces 663802) 00663802
#203

Pcb asy diagram

Thermador wall oven power supply board (replaces 663802)

Part #00663802

$128.19 | 
9% OFF Phone Price : $140.19
In Stock
Wall Oven Door Lock Assembly 00751505
Wall oven door lock assembly

Part #00751505

$144.49 | 
8% OFF Phone Price : $156.49
In Stock
Wall Oven Upper Oven Bake Element 00144723
Wall oven upper oven bake element

Part #00144723

$108.79 | 
10% OFF Phone Price : $120.79
In Stock
Thermador Spacer 00427919
Thermador spacer

Part #00427919

$19.80
In Stock
Thermador Wall Oven Convection Fan Motor 00642845
#302

Cavity1 diagram

Thermador wall oven convection fan motor

Part #00642845

$165.59 | 
7% OFF Phone Price : $177.59
In Stock
Thermador Wall Oven Convection Element, 2000-watt 00663805
#307

Cavity1 diagram

Thermador wall oven convection element, 2000-watt

Part #00663805

$78.59 | 
7% OFF Phone Price : $84.59
In Stock
Wall Oven Door Inner Glass 00665058
Wall oven door inner glass

Part #00665058

$108.89 | 
10% OFF Phone Price : $120.89
In Stock
Wall Oven Door Hinge 00682902
Wall oven door hinge

Part #00682902

$280.33
In Stock
Thermador Terminal 00642842
#202

Pcb asy diagram

Thermador terminal

Part #00642842

$49.89
In Stock
Cooktop Wire Harness Retainer, 1/2-in 00414692
#851

Frame diagram

Cooktop wire harness retainer, 1/2-in

Part #00414692

$49.31
In Stock

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Most common symptoms to help you fix your wall oven

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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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Why won't my wall oven broil?

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

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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 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

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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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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. …

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Effective articles & videos to help repair your wall oven

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