Low
1068 W on Worcester Bosch 24 RSF

Your boiler is struggling to understand how cold it is outside, which may cause your heating to be less efficient or run at the wrong temperature.

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

Outside temperature sensor defective – check the connecting lead

Engineer required

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

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