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NTI Boiler: Display icons and what they mean

Updated · by Aurora Star Tech Inc.

Display icons and what they mean on a NTI boiler: The display shows boiler status, temperature in °F with a bar level, error codes with the word ERROR, a RESET request on lockout, and menu settings. Icons show: technical assistance request, flame with power level, CH heating set or active, DHW set or active, hot water comfort (combi only), antifreeze active (boiler off or on), AUTO outdoor reset control, error signal, outdoor sensor connected (optional) and WiFi active.

Homeowner with a boiler problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Applies to: TRX150 control panel

How to fix display icons and what they mean: step by step

  1. If the error icon is lit, read the code and description on the display.
  2. If the RESET request appears, press RESET after the cause is fixed.
  3. If the technical assistance icon shows, call for service.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: NTI Boiler codes

Models

TRX085TRX110CTRX150TRX199TRX199C

More other tips for boiler

Source: NTI TRX150 manual, p. 62. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency Boiler Repair

647-657-2977