Display shows U8 or similar; cooker may not respond to some buttons.

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.

Possible Causes

Loose ribbon cable between keypad and PCB, Damaged touch panel, Faulty control board interface

Safety: Unplug the appliance before opening the housing.

Inspect ribbon cable: Remove the front panel and check the flat cable connecting the keypad to the PCB. Ensure it is fully inserted and not damaged.
Clean contacts: Use contact cleaner on the ribbon connectors if they appear oxidized.
Check for cracks: Examine the touch panel or button PCB for cracks or broken traces. Replace the keypad assembly if damaged.
Replace main PCB: If the keypad is good and U8 persists, the main board interface may be faulty and should be replaced.

Medium 3/5

Keypad / Control Panel

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