NTI · Boiler

Lockout 204 Invalid NTC sensor type setting

High severity Trinity Tft

What the control is telling you

The control rejected a configuration value: invalid NTC sensor type setting.

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

  • Lockout 202 Invalid Main Flame Establishing Period time setting
  • Lockout 203 Invalid MFEP flame failure response setting
  • Lockout 203 Invalid MFEP flame failure response setting
  • Lockout 204 Invalid NTC sensor type setting
  • Lockout 205 Invalid Outlet high limit response setting
  • Lockout 205 Invalid Outlet high limit response setting
  • Lockout 206 Invalid Pilot Flame Establishing Period setting
  • Lockout 206 Invalid Pilot Flame Establishing Period setting

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Source: NTI Trinity Tft399 Installation and Operation Manual (2018-09-07), Sec. 16.0 Troubleshooting, Table 16-3. 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.