Medium
265 on Worcester Bosch Greenstar CDi Compact

Your boiler has temporarily stopped operating because it has detected an issue with the rate at which heat is moving through the system.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Stand-by mode forced due to energy transfer limit

Engineer required

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

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