High
1065 B on Worcester Bosch 30i Junior

Your boiler's internal sensor can no longer tell if there is enough water pressure to run safely, so the system has shut itself down as a precaution.

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

Pressure sensor defective or not connected – check pressure sensor connection as it may need replacing

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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