Error 09 — Gas valve connection fault

What does 09 mean?

The boiler display shows error code 09, indicating a problem with the connection to the gas valve. This prevents the boiler from operating correctly as it cannot control the gas supply.

• Loose or disconnected wiring at the gas valve.
• Loose or disconnected wiring at the PCB.
• Faulty PCB (Printed Circuit Board).

Click steps to track your progress.

1. 1

   Check the wiring connections at the gas valve for any loose or disconnected wires.

2. 2

   Inspect the wiring connections at the boiler's PCB (control board) for secure contact.

3. 3

   If all connections appear good, a professional technician may need to replace the PCB.