What does the Johnson Starley 57 fault code mean?

Your boiler has sensed that the air it is heating is getting too hot and has shut down as a safety precaution.

How much does it cost to fix Johnson Starley error code 57?

Typical repair cost for the Johnson Starley 57 fault is £90-210 including labour.

Check all warm air vents in your home to ensure they are fully open and not blocked by furniture or curtains.

Limit the warm air temperature (Error code for Lt).

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.

Work through these before the call-out.

7 signs repair isn't worth it anymore.