High
2925 on Worcester Bosch Greenstar 8000 Style

Your boiler is struggling to confirm it is receiving the correct amount of gas to operate safely and has shut down to protect itself.

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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