What does the Ferroli B-1 fault code mean?

Your boiler has lost its power supply, which could be due to a tripped switch, a disconnected plug, or a blown fuse.

How much does it cost to fix Ferroli error code B-1?

Typical repair cost for the Ferroli B-1 fault is £80-150 including labour.

Check that your boiler's power switch or fused spur is switched to the ON position.

No main electricity/switches off, fuse blown.

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

Work through these before the call-out.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.