Low
Neon SG1 on Ideal Classic NF30–NF80

Your boiler is currently trying to light the gas burner with a spark, which is a normal part of the starting process.

Monitor it

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.

What the manual says

Manufacturer manual

Flashes to indicate spark operation (stops after detection)

From this model's manual
Verified against the Ideal Classic Nf 30 80 installation & service manual, page 26.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check if your gas supply is active at the meterMonitor the light; it should stop flashing once the boiler successfully lightsIf it continues flashing without the boiler firing up, try resetting the boiler

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Avoid the next call-out bill

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