F26 Fault — Gas valve stepper motor not working

What does F26 mean?

The gas valve stepper motor is not functioning, which prevents the gas valve from operating correctly. This could be due to connection issues or a defective motor or electronics.

• Gas valve stepper motor not connected
• Multiple plug on the PCB not plugged in correctly
• Interruption in cable harness
• Gas valve stepper motor defective
• Electronics defective

Click steps to track your progress.

1. 1

   Ensure all plugs to the gas valve are connected correctly and securely.

2. 2

   Check the resistance on the stepper motor and the gas valve (refer to voltage sheet, requires specialist tools).

3. 3

   Inspect the cable harness for any interruptions or damage.

4. 4

   If all readings are okay, there may be an issue with the PCB (contact a technician).