F.380 — Burner in fault state: Immediate flame loss after ignition

What does F.380 mean?

The burner is in a fault state due to a flame loss immediately after flame formation, during the safety time. This indicates a problem with the ignition process or flame stability.

• Insufficient gas supply or low gas pressure
• Flue gas recirculation in balanced flue system
• Incorrect clearance or contamination of ionization electrode and/or flame body assembly

Click steps to track your progress.

1. 1

   Check your gas supply and ensure the gas pressure is sufficient.

2. 2

   Inspect the balanced flue system for any signs of flue gas recirculation.

3. 3

   Check the ionization electrode and flame body assembly for correct clearance and contamination. Reset the boiler afterwards.