What does the Johnson Starley F13 fault code mean?

Your boiler has stopped running because it has locked itself out after too many unsuccessful reset attempts from a remote control or thermostat.

How much does it cost to fix Johnson Starley error code F13?

Typical repair cost for the Johnson Starley F13 fault is £0-120 including labour.

Locate the main power switch for your boiler (usually a fused spur near the unit).

Remote reset lockout

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

Work through these before the call-out.

Lockout fault with a reset-needed pattern.

Safety-critical — turn off, read this.