Medium
2915 on Worcester Bosch Greenstar 28CDi

Your boiler's air extraction fan is staying on longer than it should after finishing its work, which often points to an electronic communication error inside the unit.

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

The fan keeps running after the post purge

Engineer required

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

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Related fault codes

2916View →2917View →

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