Low
Neon SG1 on Ideal Optimum 001

Your boiler is currently trying to light the flame and this light will turn off normally once the burner is firing correctly.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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 ignition operation (stops after detection)

From this model's manual
Verified against the Ideal Boiler Opt 001 installation & service manual.
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

This fault may be fixable without an engineer. Check your manual first.

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