High
2914 on Worcester Bosch Greenstar 28CDi

Your boiler's internal computer is failing to talk to the part that creates heat, meaning it cannot start up.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

There is no communication between the appliance controller and burner module

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

2915View →2916View →

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