Err
Bella
General Control Board Error / Firmware Fault
Display shows 'Err' or flashes all segments; cooker will not respond to button presses.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Corrupted control board firmware, Shorted keypad membrane, Internal power supply instability, Moisture intrusion into control panel
How to Fix / Troubleshooting
Safety first: Unplug the cooker before cleaning or opening the control panel.
- Power cycle: Unplug the unit for at least 5 minutes, then plug back in and check if the error clears.
- Dry the control panel: If steam or liquid has contacted the panel, allow it to dry completely. You can place the unit in a dry, warm room for several hours (unplugged).
- Clean around buttons: Wipe the panel with a slightly damp cloth, then dry. Do not spray cleaner directly onto the panel.
- If 'Err' persists: The control board or keypad membrane is likely defective. Replacement of the control panel assembly is required.
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Repair Difficulty
Hard
4/5
Required Part
Control Panel / Main Control Board
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