HVACopediaNTI · Boiler
Alert 116 Manual rate was > CH max modulation rate
What the control is telling you
Manual rate was > CH max modulation rate.
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 114 Mix modulation range (max minus min) was too small (< 4% or 40 RPM)
- Alert 115 Fan was limited to its minimum duty cycle
- Alert 115 Fan was limited to its minimum duty cycle
- Alert 116 Manual rate was > CH max modulation rate
- Alert 117 Manual rate was > DHW max modulation rate
- Alert 117 Manual rate was > DHW max modulation rate
- Alert 118 Manual rate was < min modulation rate
- Alert 118 Manual rate was < min modulation 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.