Grant Euroflame fault 8

Combustion fumes smell

Oil boiler

What it means

Boiler works but combustion fumes smell is detected, indicating a sealing or fitting issue in the combustion/flue path.

Likely causes

  1. Boiler cleaning cover or seal not correctly fitted
  2. Burner not correctly fitted onto flange
  3. Flue not correctly sealed into flue outlet of boiler
  4. Condensate pipe and trap not operating correctly
  5. Motor/pump fault
  6. Electrode/ignition fault
  7. Control box fault
  8. Oil pump fault
  9. Solenoid valve/coil fault
  10. Nozzle/fuel contamination
  11. Combustion air/head setting fault
  12. Photocell fault
  13. Balanced flue recirculation
  14. Boiler or flue blockage

Where to start

  1. Check boiler cleaning cover and seal are correctly fitted
  2. Check burner is correctly fitted onto flange
  3. Check flue is correctly sealed into flue outlet of boiler

The full answer, free

  • 15 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.

Other Grant Euroflame fault codes