Medium
5-A2 on Worcester Bosch Greenstar 2000

Your boiler has detected that the hot water temperature has exceeded its maximum safe limit and has shut down as a precaution.

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

Maximum DHW temperature: 35...60...80°C.

Engineer required

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

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Related fault codes

A7View →E9View →

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