HVACopediaNTI · Boiler
Alert 302 Abnormal Recycle: Ignition failed due to interrupted air flow switch was off
What the control is telling you
Abnormal Recycle: Ignition failed due to interrupted air flow switch was off.
Applies to: Trinity Tft60, Tft85, Tft110, Tft155, Tft175, Tft200, Tft250, Tft300, Tft399
Models that show this code
13 models in Trinity Tft
Other codes on the same units
- Alert 30 Burner switch was turned ON
- Alert 30 Burner switch was turned ON
- Alert 300 Abnormal Recycle: Interrupted air flow switch was off during Pre-Ignition time
- Alert 301 Abnormal Recycle: Interrupted air flow switch was off during Main Flame Establishing Period
- Alert 303 Abnormal Recycle: ILK off during Drive to Purge Rate
- Alert 304 Abnormal Recycle: ILK off during Measured Purge Time
- Alert 305 Abnormal Recycle: ILK off during Drive to Light off Rate
- Alert 306 Abnormal Recycle: ILK off during Pre-Ignition test
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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.
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