NTI · Boiler

Lockout 249 STAT cannot be demand source when Remote Stat is enabled

High severity Trinity Tft

What the control is telling you

STAT cannot be demand source when Remote Stat is enabled.

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 245 Invalid Outlet connector type setting for T-rise
  • Lockout 246 4-20mA cannot be used for both modulation and setpoint control
  • Lockout 247 Invalid ILK bounce detection enable
  • Lockout 248 Invalid forced recycle interval
  • Lockout 250 Invalid Fan speed error response
  • Lockout 251 Lead drop-stage on error setting does not match drop method configuration
  • Lockout 252 Invalid Line frequency setting
  • Lockout 253 Lead Lag modulation sensor not valid with setpoint source

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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.