Thermador Induction Cooktop
Thermador Induction Cooktop F9 Error Code
What it means
The extended Flex Zone will not switch on.
Try this first
- Touch a control to acknowledge the message.
- Use the remaining cooking zones if needed.
- Contact Thermador support if F9 remains.
If the error keeps returning
If the condition returns after troubleshooting, qualified service may be required.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →