HVACopediaNTI · Boiler
Alert 9 Switched application configuration data blocks
What the control is telling you
Switched application configuration data blocks.
Applies to: Trinity Tft60, Tft85, Tft110, Tft154, Tft201, Tft285, Tft340, Tft399
Models that show this code
13 models in Trinity Tft
Other codes on the same units
- Alert 87 No Lead Lag drop stage error threshold was configured
- Alert 88 No Lead Lag drop stage detection time was configured
- Alert 89 Lead Lag all boiler off threshold was invalid
- Alert 9 Switched application configuration data blocks
- Alert 90 Modulation output type was invalid
- Alert 90 Modulation output type was invalid
- Alert 91 Firing rate control parameter was invalid
- Alert 91 Firing rate control parameter was invalid
Save it for the next call
Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.
Source: NTI Trinity Tft399 Installation and Operation Manual (2018-09-07), Sec. 16.0 Troubleshooting, Table 16-4. Summarized in our own words; check the original manual for your model.
Homeowner looking at this code? See what it means for you and when to call a technician.
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.