NTI Boiler: Access the technical menu
Access the technical menu on a NTI boiler: Technical menu is for qualified technicians only. The access code must be entered before the protected menus open. Example below changes parameter 231 from 100 to 96.
Applies to: NTI TRX boilers, service access
How to fix access the technical menu: step by step
- Open the cover.
- Press OK and ESC together for 5 seconds. Display shows 222.
- Press + to select 234 (service code).
- Press OK. Press + until display shows MENU, then press OK.
- Press OK to open menu 0. Press + to select menu 2, then press OK.
- Press OK to open sub-menu 20. Press + to select sub-menu 23, then press OK.
- Press OK to open parameter 231.
- Press OK to show the current value (100 in example).
- Press + or - to change the value (96 in example).
- Press OK to save, or ESC to exit without saving.
- Press ESC until the normal display returns.
If the unit shows an error code, look it up: NTI Boiler codes
Models
TRX085TRX110CTRX150TRX199TRX199C
More access & passwords tips for boiler
Source: NTI TRX150 manual, p. 70. 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.