U1 or similar code appears; cooker does not respond to button presses correctly.

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, Oxidized connector contacts

Safety first: Unplug the cooker before removing the control panel.

Access control panel: Remove screws securing the front or top panel to expose the keypad ribbon cable.
Reseat ribbon: Gently unplug and reinsert the ribbon cable, ensuring it is fully inserted and locked.
Inspect for damage: Look for cracks in the touch panel or corrosion on the connector. Clean contacts with isopropyl alcohol if needed.
Replace keypad: If some buttons remain unresponsive or U1 persists, replace the keypad/touch panel assembly.

Medium 3/5

Keypad / Touch Panel Assembly

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