Burner controls, ignition and flame safeguards
Satronic / Honeywell TFI 812 Gas Burner Control Box fault codes
What all 1 Satronic / Honeywell TFI 812 Gas Burner Control Box fault codes mean, in plain words, with a risk grade for each. These come from the manufacturer's own manual. The fix for each one is in WERCS Diagnose.
Get the fixes · plans from $49/moUpdated July 23, 2026
| Code | What it means | Risk |
|---|---|---|
| Reset button lamp lit (lockout) | Illuminated reset button The burner control enters a safety lockout due to a missing flame, weak flame signal, or low voltage, stopping the burner. | RED |
Every code comes from the manufacturer's own manual. Subscribers see which manual and page.