NTI · Boiler

Alert 47 Invalid subsystem reset request occurred

Low severity Trinity Tft

What the control is telling you

Invalid subsystem reset request occurred.

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 467 Internal error: EEPROM write was attempted before EEPROM was initialized
  • Alert 468 Internal error: EEPROM cycle count address was invalid
  • Alert 469 Internal error: EEPROM days count address was invalid
  • Alert 47 Invalid subsystem reset request occurred
  • Alert 470 Internal error: EEPROM hours count address was invalid
  • Alert 471 Internal error: Lockout record EEPROM index was invalid
  • Alert 472 Internal error: Request to write PM status was invalid
  • Alert 473 Internal error: PM parameter address 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.

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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.