What does the Chaffoteaux 6.iv fault code mean?

Your boiler is failing to light the flame because it cannot detect that water is moving through the system properly.

How much does it cost to fix Chaffoteaux error code 6.iv?

Typical repair cost for the Chaffoteaux 6.iv fault is £120-280 including labour.

No main burner - Flow switch not operating

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

Almost always a stuck diverter valve on combis.

Each noise points to a different fault.

7 signs repair isn't worth it anymore.