Crown User Interface / Keypad Failure

Boiler display is on but unresponsive; buttons do not change settings

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

Faulty display board, Damaged keypad membrane, Loose ribbon cable between UI and main board, Moisture ingress

Safety: Turn off power before removing the front panel or display module.

Power cycle: Turn off power for 30 seconds and restore. Sometimes the interface will reset.
Inspect connections: Check the ribbon cable or harness between the display and main control board for secure seating and no visible damage.
Check for moisture: Look for signs of condensation or leaks dripping onto the display. Correct any leaks.
Replace UI: If the display remains unresponsive, the user interface board may need replacement with a Crown-specific part.

Medium 3/5

Display / User Interface Board

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