What does the Ferroli A04 fault code mean?

Your boiler has shut down for safety because it has detected repeated problems with how exhaust gases are being cleared from the system.

How much does it cost to fix Ferroli error code A04?

Typical repair cost for the Ferroli A04 fault is £120-£350 including labour.

Flue gas fault – fault F07 happened 3 times in the last 24 hours

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.

Each noise points to a different fault.

Safety-critical — turn off, read this.