High
14E on Biasi Advance Plus

Your boiler has stopped working because it cannot move the hot water around your system, likely due to a stuck pump or because the system is overheating.

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.

What the manual says

Manufacturer manual

No circulation, of faulty pump or intervention primary temperature limit.

From this model's manual
Verified against the Biasi Advance Plus installation & service manual, page 22.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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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Avoid the next call-out bill

A cover plan would handle faults like 14E: no call-out fees, no surprise bills.

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