HVACopediaNTI · Boiler
Hold / Lockout 156 Combustion pressure and Flame ON
What the control is telling you
Combustion pressure and Flame ON.
Applies to: Trinity Tft60, Tft85, Tft110, Tft154, Tft201, Tft285, Tft340, Tft399
Models that show this code
13 models in Trinity Tft
Other codes on the same units
- Hold / Lockout 154 Purge fan switch ON
- Hold / Lockout 155 Purge fan switch OFF
- Hold / Lockout 155 Purge fan switch OFF
- Hold / Lockout 156 Combustion pressure and Flame ON
- Hold / Lockout 240 Invalid Outdoor connector type setting
- Hold / Lockout 243 Invalid UV with spark interference not compatible with Igniter on throughout
- Hold / Lockout 67 ILK off - interlock string open
- Hold / Lockout 67 ILK off - interlock string open
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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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