High
2925 on Worcester Bosch 1000

Your boiler is struggling to control the gas flow needed to heat your home, so it has safely shut itself down to prevent any issues.

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

What causes this fault?

Low valve response

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

2924View →2926View →

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