What does the Ferroli 5 (Flashing) fault code mean?

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

How much does it cost to fix Ferroli error code 5 (Flashing)?

Typical repair cost for the Ferroli 5 (Flashing) fault is £80-120 including labour.

Locate the external filling loop, which is usually a braided silver hose connecting two pipes under the boiler

Insufficient pressure in Central Heating System

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.