What does the Ferroli E31 fault code mean?

Your boiler has stopped working because the water pressure inside your heating system has dropped too low to operate safely.

How much does it cost to fix Ferroli error code E31?

Typical repair cost for the Ferroli E31 fault is £80-120 including labour.

Locate the external filling loop, which is a flexible silver hose connected to two valves under the boiler.

Low system water pressure (central heating circuit pressure less than 0.5 bar)

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.

Step-by-step using the filling loop.

7 signs repair isn't worth it anymore.