A01 Beretta — Ignition Failure / No Flame Detected
At a glance
- Severity
- FAULT STOP
- Domain
- HEATING_SYSTEM
- Reference standard
- EN 15502 / EN 676
What it means
No flame detected during the ignition sequence of the condensing boiler.
Probable causes
- Gas valve closed or no gas supply from the grid
- Ignition electrodes dirty, oxidized or incorrectly gapped
- Ionization probe fouled or badly positioned
- Insufficient gas pressure at the burner
- Gas valve stuck or coil open-circuit
Reference values
| ionisation current uA | {"minimum":1,"typical":"2-6","nota":"Measure in series on the flame sensor cable during the ignition attempt."} |
|---|
Where to start
Measure gas pressure at the burner (20 mbar natural gas ±15%). Is it correct?
Full guided diagnosis in the app
The diagnostic tree for this fault has 7 guided steps with measurements, checks and resolutions. You'll find it in HVACIQ, one of the four IndexOS apps: free, works offline.
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