Bosch HBL8451UC how to set the clock
To set the time of day. The oven must be in Standby, not cooking or timing.
Steps
- Press and hold the Kitchen Timer button for 5 seconds. The time blinks.
- Enter the time with the numeric keypad. For 12:45 pm, press 1, 2, 4, 5.
- Press Enter. The clock is set and running.
The clock menu appears by itself after a power outage. On double ovens, press the Clock button instead of holding the Kitchen Timer button.
Source: Operation: Setting the Clock Source: Operation: Setting the Clock, p. 10
Other HBL8451UC procedures
- 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.
- How to replace the oven light bulbWhen the oven light is not working properly.
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.