What does the Chaffoteaux 30-80 (L, M, L, M, L, M) fault code mean?

Your boiler is struggling to detect that air is flowing correctly to start the combustion process, preventing it from firing up.

How much does it cost to fix Chaffoteaux error code 30-80 (L, M, L, M, L, M)?

Typical repair cost for the Chaffoteaux 30-80 (L, M, L, M, L, M) fault is £150-250 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.