Dimplex Keypad / Control Panel Failure

Water heater does not respond to button presses or temperature adjustments

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

Stuck or worn buttons, Moisture ingress into keypad, Disconnected UI cable, Faulty UI PCB

Safety: Disconnect power before removing the control panel.

Dry panel: If condensation or splashes are visible, dry the panel and correct any external water sources.
Reseat cable: Reseat the keypad/display cable on both ends.
Test buttons: If some buttons work and others do not, the keypad membrane is likely worn and the UI should be replaced.

Medium 3/5

User Interface / Keypad Assembly

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