What does the Johnson Starley E19 fault code mean?

Your boiler has stopped working because waste water cannot leave the system, likely due to a full or faulty pump or a blocked drainage pipe.

How much does it cost to fix Johnson Starley error code E19?

Typical repair cost for the Johnson Starley E19 fault is £120-250 including labour.

Check the external white plastic drainage pipe for any blockages or ice if it is cold outside.

Condensate pump failure or drain blocked

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.

Safety-critical — turn off, read this.

Winter cause of ignition lockouts.