High
1074 on Worcester Bosch Greenstar 8000 Life System

Your boiler has lost its connection to the component that monitors how hot the water inside the system is, so it has stopped working as a safety measure.

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 signal from the flow temperature sensor available

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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