Termet Control Panel / User Interface Failure

Boiler display is on but unresponsive to button presses or rotary controls, heating and hot water may continue in last mode.

Safety Warning

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 keypad or encoder on Termet control panel, Loose ribbon cable between panel and PCB, Software freeze in user interface, Moisture ingress into control panel

How to Fix / Troubleshooting

User checks:

Turn the boiler off at the mains for 1–2 minutes, then turn it back on to reset the interface.
If the panel remains unresponsive, avoid pressing buttons repeatedly.

Technician checks:

Inspect and reseat the ribbon cable between the control panel and main PCB.
Check for signs of moisture or corrosion on the control panel PCB.
Replace the user interface module / control panel if defective.
If the fault persists, test the main PCB.

After replacement, reconfigure user settings as required.

Repair Difficulty

Medium 3/5

Required Part

User Interface / Control Panel Module

Check Price on Amazon

We may earn a commission from links on this page.