High
2924 on Worcester Bosch Greenstar 8000 Life

Your boiler has detected an internal communication failure within its gas control system, meaning it cannot safely regulate the fuel supply to heating components.

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 modulating gas valve. Gas valve relay defect.

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 →

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