Grant Euroflame fault 6
Fumes and puffing during starting (conventional flue)
Oil boilerWhat it means
Boiler with conventional flue produces fumes and puffing noise during starting, typically caused by draught or blockage issues.
Likely causes
- Blocked chimney
- Insufficient chimney height for required draught
- Inadequate air supply near burner
- Kitchen extractor fan drawing products out of the burner
- Motor/pump fault
- Electrode/ignition fault
- Control box fault
- Oil pump fault
- Solenoid valve/coil fault
- Nozzle/fuel contamination
- Combustion air/head setting fault
- Photocell fault
- Balanced flue recirculation
- Boiler or flue blockage
Where to start
- Check the condition of the chimney, ensure it is not blocked and is high enough to produce the required draught
- Check that there is an adequate air supply near the burner
- Check that a kitchen fan is not drawing products out of the burner
The full answer, free
- 14 more checks in order
- The readings and component tests from the manual
- How to put it right, step by step
- The manual page for this fault (page 43), right under the answer
Safety: Isolate oil and power before you touch the burner. Do a combustion test after any burner adjustment or part change. OFTEC (or equivalent) work only.
From the Grant manual for the Euroflame. Check the model on the data plate before you order parts.