High
E14 on Biasi Inovia 2020

Your boiler has stopped working because the water isn't moving through the system properly, causing it to overheat.

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

Faulty pump (absence of water flow in the main circuit) or primary temperature above 105 °C

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.

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful