Bosch HBL8451UC how to replace the oven light bulb
When the oven light is not working properly.
Steps
Make sure the appliance and lights are cool and power to the appliance has been turned off before replacing the light bulb(s). Failure to do so could result in electrical shock or burns.
Marked WARNING by the manufacturer Source: Cleaning and Maintenance: Replacing an Oven Light, p. 26
- Make sure the appliance and the light are cool.
- Turn off power to the oven at the main power supply (fuse or breaker box).
- Turn the glass cover counterclockwise to remove it.
- Unscrew the bulb counterclockwise.
- Grasp the new bulb with a clean, dry cloth and screw it in clockwise.
The lenses must be in place when using the appliance.
Marked WARNING by the manufacturer Source: Cleaning and Maintenance: Replacing an Oven Light, p. 26
- Screw the glass cover back on.
- Turn power back on at the main power supply.
The 30-inch 800 HBL Series uses a 40 watt appliance bulb with a standard Edison base. The light socket is live when the door is open.
Source: Cleaning and Maintenance: Replacing an Oven Light Source: Cleaning and Maintenance: Replacing an Oven Light, p. 26
Used for
Other HBL8451UC procedures
- How to set the clockTo set the time of day. The oven must be in Standby, not cooking or timing.
- How to turn Panel Lock on or offTo disable all control panel buttons, for example before cleaning the panel.
- How to set the oven temperature offsetWhen food is consistently too light or too brown.
- How to turn Auto Convection Conversion on or offTo control whether Convection Bake and Convection Multi-Rack lower the set temperature by 25 °F.
- How to start Sabbath ModeBefore cooking on the Sabbath. Sabbath Mode works in a Bake mode only, between 100 and 450 °F.
- How to use Fast PreheatTo heat the oven faster than standard preheat for Bake, Roast, Convection Multi Rack, Convection Bake, Convection Roast and Pizza.
- How to run Self CleanWhen the oven is heavily soiled and needs the high-temperature cleaning cycle.
Sources
- Use and Care Manual, Built-in Ovens 800 Series HBL84, HBN84, HBL86, HBN86 and HBL87. BSH Home Appliances Corporation. Document 9000989323, revision C, 80 pages, en-US. media3.bsh-group.com (PDF). Listed on the manufacturer's support page. Retrieved 13 November 2026.
Page numbers are the numbers printed in the manual. Where this page and the manual differ, follow the manual.