5 — Flame failure during stabilization

What does 5 mean?

The boiler is in a hold/wait state because the flame failed to stabilize after ignition, indicating an issue with consistent combustion.

• Faulty ionization electrode
• Inconsistent gas supply
• Combustion air issues

Click steps to track your progress.

1. 1

   Attempt to reset the boiler by pressing the reset button 'R'.

2. 2

   Ensure there is adequate gas supply to the boiler.

3. 3

   Contact a qualified heating technician to check the ionization electrode and combustion parameters.