Buttons on the control panel do not respond or respond intermittently.

Safety: Unplug the coffee maker before working on the control panel.

• 1. Clean the panel surface:
  • Wipe the keypad area with a slightly damp cloth to remove sticky residue.
• 2. Inspect for moisture ingress:
  • Remove the front bezel and check for coffee or water behind the keypad.
  • Dry thoroughly and allow to air dry for several hours.
• 3. Reseat keypad ribbon:
  • Disconnect and reconnect the keypad ribbon cable to the control board.
• 4. Replace keypad:
  • If specific buttons remain unresponsive, replace the membrane keypad or entire control panel assembly.
• 5. Check control board:
  • If a new keypad does not resolve the issue, the control board's input circuitry may be defective; replace the main control PCB.