NTI Display / User Interface Failure

Boiler display backlight is on but text is unreadable or missing segments

Advertisements

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.

Advertisements

Possible Causes

Failed LCD module, Loose ribbon cable, Moisture ingress into control panel, Control board fault

How to Fix / Troubleshooting

Safety: Turn off power before removing the front panel or control cover.

  • Inspect connections: Check the ribbon cable or plug between the display and main board. Reseat carefully.
  • Dry moisture: If condensation is present, allow the area to dry completely and correct any sources of water ingress.
  • Replace display: If segments remain missing, the NTI display module or full control board may need replacement by a technician.
Advertisements

Repair Difficulty

Medium 3/5

Required Part

Display / User Interface Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements