What does the Chaffoteaux 40 60 80 fault code mean?

Your boiler is failing to start because it cannot confirm that the internal air pressure system is working correctly.

How much does it cost to fix Chaffoteaux error code 40 60 80?

Typical repair cost for the Chaffoteaux 40 60 80 fault is £120-250 including labour.

Extractor on and pressure regulator at rest

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.