NTI · Boiler

Alert 357 Abnormal Recycle: fault DHW sensor

Low severity Trinity Tft

What the control is telling you

Abnormal Recycle: fault DHW sensor.

Applies to: Trinity Tft60, Tft85, Tft110, Tft155, Tft175, Tft200, Tft250, Tft300, Tft399

Models that show this code

13 models in Trinity Tft

Tft110Tft154Tft155Tft175Tft200Tft201Tft250Tft285Tft300Tft340Tft399Tft60Tft85

Other codes on the same units

  • Alert 353 Abnormal Recycle: stack limit
  • Alert 354 Abnormal Recycle: delta T limit
  • Alert 355 Abnormal Recycle: fault outlet sensor
  • Alert 356 Abnormal Recycle: outlet high limit
  • Alert 358 Abnormal Recycle: DHW high limit
  • Alert 359 Abnormal Recycle: fault inlet sensor
  • Alert 36 Program Module (PM) incompatible with product was inserted into socket
  • Alert 36 Program Module (PM) incompatible with product was inserted into socket

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.

Open the app

Source: NTI Tft60-399 Installation and Operation Instructions (rev. 2012-04-09), Sec. 15.0 Troubleshooting, Table 15-4. 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.