HVACopediaNTI · Boiler
Alert 27 Safety processor was reset
What the control is telling you
Safety processor was reset.
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 26 Lead Lag operation switch was turned ON
- Alert 261 DHW set point was invalid
- Alert 262 DHW time of day set point was invalid
- Alert 27 Safety processor was reset
- Alert 272 Abnormal Recycle: Pressure sensor fault
- Alert 273 Abnormal Recycle: Safety relay drive test failed
- Alert 274 Abnormal Recycle: Demand off during Pilot Flame Establishing Period
- Alert 275 Abnormal Recycle: LCI off during Drive to Purge Rate
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.