Riello Control Panel / User Interface Fault

Boiler display is on but unresponsive, buttons do not work or menu is frozen

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

Software lockup on control PCB, Faulty keypad or display module, Moisture ingress into control panel, Loose ribbon cable connection

Safety: Isolate power before removing the front panel or control fascia.

Power reset: Turn off the boiler at the isolator for 1–2 minutes, then restore power to reset the electronics.
Check for moisture: Inspect the control panel area for signs of condensation or leaks. Address any water ingress.
Inspect connections: Ensure the ribbon cable between the display and main PCB is firmly seated.
Replace control panel: If the panel remains unresponsive, a technician may need to replace the user interface or main PCB.

Medium 3/5

User Interface Control Panel

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