High
2924 on Worcester Bosch Greenstar 8000

Your boiler has detected that it cannot safely communicate with the part that controls the gas flow, so it has shut itself down to keep your home safe.

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

No feedback from the gas valve

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

2925View →2926View →

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