Low
Light off on Worcester Bosch 24 RSF

Your boiler is currently idle because your thermostat or timer isn't telling it that you need any heating or hot water.

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

No boiler demand

DIY fix possible

Check that your room thermostat is turned up higher than the current room temperatureEnsure your programmer or timer is set to 'ON' or 'Auto'Check if the batteries in your wireless thermostat need replacing

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