Hitachi Keypad / Touch Panel Failure

Control panel buttons or touch keys are unresponsive or intermittent

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

Worn touch membrane, Moisture ingress, Loose ribbon cable, Cracked touch PCB

Safety first: Disconnect power before removing the control panel.

Clean surface: Wipe the touch panel with a dry cloth to remove grease and moisture.
Power reset: Turn off power for a few minutes, then restore and test key response.
Check ribbon cable: Remove the control panel and reseat the ribbon cable between the touch panel and control board.
Replace touch panel: If specific keys remain dead or intermittent, replace the Hitachi touch control panel assembly.

Medium 3/5

Touch Control Panel Assembly

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