What does the Ferroli 49 fault code mean?

Your boiler has switched itself off because it got too hot and needs time to cool down before it can safely restart.

How much does it cost to fix Ferroli error code 49?

Typical repair cost for the Ferroli 49 fault is £120-280 including labour.

Turn the boiler off and allow it to cool for 20 minutes

Overheat cut-off thermostat

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

Each noise points to a different fault.

Sludge build-up — needs flushing, not bleeding.

Work through these before the call-out.