NTI · Boiler

Alert 165 Inlet sensor type was invalid for DHW

Low severity Trinity Tft

What the control is telling you

Inlet sensor type was invalid for DHW.

Applies to: Trinity Tft60, Tft85, Tft110, Tft154, Tft201, Tft285, Tft340, Tft399

Models that show this code

13 models in Trinity Tft

Tft110Tft154Tft155Tft175Tft200Tft201Tft250Tft285Tft300Tft340Tft399Tft60Tft85

Other codes on the same units

Alert 163 DHW hysteresis step time was invalid
Alert 164 DHW sensor type was invalid
Alert 164 DHW sensor type was invalid
Alert 165 Inlet sensor type was invalid for DHW
Alert 166 Outlet sensor type was invalid for DHW
Alert 166 Outlet sensor type was invalid for DHW
Alert 167 DHW storage OFF hysteresis was invalid
Alert 168 DHW storage ON hysteresis was invalid

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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.