Low
Neon SG1 on Ideal Classic RS

This light simply shows that your boiler is currently trying to light its flame and should turn off once it succeeds.

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.

Technical description

Flashes to indicate ignition operation (stops after detection).

DIY fix possible

Check if your gas supply is turned on at the meterEnsure the thermostat is turned up high enough to call for heatWait up to 30 seconds for the light to turn off once the flame is established

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