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Bosch
Electric Wall Oven

Model # HBN5420/02 Official Bosch electric built-in oven

Here are the diagrams and repair parts for Official Bosch HBN5420-02 electric built-in oven, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 84 parts  |
Sticker 519252

#519252

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Sticker

Part #519252

Replaced by #00633848

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Manufacturer substitution
This part replaces 519252. Substitute parts can look different from the original.
$55.24
In Stock
Instruction Manual 528212

#528212

All parts diagram

Instruction manual

Part #528212

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

Lamp Housing 173950

#173950

All parts diagram

Lamp housing

Part #173950

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

Resistor 066750

#66750

All parts diagram

Resistor

Part #066750

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

Baking Tray 290030

#290030

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Baking tray

Part #290030

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

Panel-fascia 361173

#361173

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Panel-fascia

Part #361173

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

Case-upper Part 356659

#356659

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Case-upper part

Part #356659

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

Grid 284913

#284913

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Grid

Part #284913

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

Sealing 150115

#150115

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Sealing

Part #150115

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

Rail 284914

#284914

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Rail

Part #284914

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…

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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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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

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