High
2926 on Worcester Bosch 1000

Your boiler has detected an issue with the control system that regulates the gas flow, meaning it has switched itself off to stay safe and is currently unable to provide heating or hot water.

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 high feedback from the modulating/ current controlled gas valve

What causes this fault?

High 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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