Medium
2956 on Worcester Bosch Greenstar 8000 Style

Your boiler's internal settings are currently mismatched with your home heating setup, preventing it from functioning correctly.

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

Heat exchanger does not support the parameters set for the hydraulic configuration

Engineer required

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

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Related fault codes

2957View →2958View →

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