High
2925 V on Worcester Bosch Greenstar 2000

Your boiler has stopped working because the internal brain and the gas valve are not communicating properly, meaning the system cannot safely control the flame.

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

Too low feedback from the modulating 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

2927View →2920View →EAView →

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