Only one preset can be active at a time. To deactivate, press the Set button until no program number is shown. Quick Tips & Troubleshooting
To turn it off manually before the timer ends, press the Flame button again. Press and hold the Clock button until the time flashes.
If the display shows "F" followed by two digits (e.g., F01), this is a fault code. Refer to the Webasto 1533 Manual to identify the specific issue. Webasto Oval Timer 1533 Operating Instructions Manual
Wait for the display to stop flashing; the program is now active (the corresponding number will stay visible on the screen).
Run the heater for at least 15–20 minutes once a month, even in summer, to prevent the fuel from "gelling" and to keep the burner clean.
The timer can store up to (labeled 1, 2, and 3).
