What does the Biasi ER 10 + reset fault code mean?

Your boiler has detected low water pressure in the system, which means there isn't enough water to circulate and provide heating or hot water safely.

How much does it cost to fix Biasi error code ER 10 + reset?

Typical repair cost for the Biasi ER 10 + reset fault is £0-120 including labour.

Locate the filling loop (usually two small valves connected by a silver braided hose) underneath the boiler.

N/A

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Six most common causes of dropping pressure.

Almost always a stuck diverter valve on combis.

Step-by-step using the filling loop.