Low
Neon 2 on Ideal Classic NF30–NF80

Your boiler is correctly receiving a signal to turn on and provide heating, which is a normal indicator of operation and not typically a fault on this specific model.

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

Boiler thermostat calling for heat.

DIY fix possible

Check that your room thermostat is turned up to a temperature higher than the current room temperatureEnsure the timer or programmer is set to 'On' or 'Auto'If the boiler doesn't fire despite the light being on, try resetting the boiler using the control knob

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