Burner controls, ignition and flame safeguards
Fenwal 35-60 / 35-61 Direct Spark Ignition fault codes
What all 4 Fenwal 35-60 / 35-61 Direct Spark Ignition 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 November 4, 2026
| Code | What it means | Risk |
|---|---|---|
| 1 Flash | 1 Flash An air flow fault has occurred, causing the ignition system to lock out the burner. | RED |
| 2 Flashes | 2 Flashes A flame was detected without a demand for heat, forcing the burner to shut down. | RED |
| 3 Flashes | 3 Flashes An ignition failure has occurred, causing the burner system to go into a lockout state. | RED |
| Steady on | Steady on An internal control failure has occurred, which causes the burner to lock out. | YELLOW |
Every code comes from the manufacturer's own manual. Subscribers see which manual and page.