F9 - 1 red flash, 2 green flashes — Two or more protection devices are open

What does F9 mean?

This fault code indicates that multiple protection devices within the system have triggered an open circuit. This requires checking each device individually.

• Multiple protection devices have tripped
• Open circuit in various safety switches
• Wiring issues to protection devices
• Possible control board fault

Click steps to track your progress.

1. 1

   Identify and check each protection device for its status.

2. 2

   Verify the wiring connections for all protection devices.

3. 3

   Inspect for any signs of damage or wear on the devices.

4. 4

   If multiple devices show faults, a professional diagnosis is recommended.