Display shows 'Err' or 'Error' when trying to set temperature or time

Safety first: No internal work is usually required for this error; if you open the unit, disconnect power first.

• Reset settings: Cancel all programs and try setting a basic bake mode at a moderate temperature (e.g., 180°C) and a short time.
• Check keypad response: Press each button individually to see if any are unresponsive or trigger 'Err'. A non-responsive key indicates a keypad fault.
• Power cycle: Turn off the breaker for 5 minutes, then restore power and test again.
• Clean control panel: Wipe the panel with a slightly damp cloth (no liquid ingress) to remove grease that may interfere with touch sensors.
• Replace keypad/control: If 'Err' appears consistently when using certain keys, replace the touch control panel or user interface board.

Tip: Refer to the user manual for valid temperature and time ranges; some modes restrict settings.