BoilerFaultCodesThis light simply shows your boiler is currently trying to light the flame and is a normal part of its operation.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Flashes to indicate ignition operation (stops after detection)
What causes this fault?
This is not actually a fault, but a status indicator that appears when the boiler's control box is sending power to the spark generator. It physically signifies that the boiler is in the process of lighting the burner to provide heating or hot water. Once the flame is successfully detected by the sensor, this light will automatically turn off.
DIY fix possible
No action is required as this is a status indicator rather than a fault code.Ensure your gas supply is turned on if the light flashes for a long time without the boiler firing.If the light continues to flash but the boiler fails to light, try resetting the boiler.
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