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BURNER LIGHT ONLY on Worcester Bosch 24i/28i Junior

Your boiler is currently protecting itself from freezing by running in a special cold-weather mode, or the status light on your display has broken.

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

If boiler is in a very cold environment (below 5°C), boiler is running in 'Autofroststat' mode. Otherwise, demand light has failed.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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