BoilerFaultCodesTechnical description
Ignition sequence (heating operation)
What causes this fault?
This status occurs when the boiler begins the physical process of lighting the burner to heat your radiators. It is a natural part of the start-up cycle where the system checks components and prepares the spark to ignite the gas. If the boiler stays on this code without moving forward, it usually means the system is struggling to successfully establish or detect a flame.
DIY fix possible
Check if the display changes to a different status code after a few momentsMonitor the boiler to see if heating starts normallyIf the code persists without the boiler firing, try a manual resetContact a Gas Safe engineer if the boiler remains stuck on this code for long periods
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