Thermador Gas Cooktop Won't Stop Clicking :...

Question

Hello,
We just purchased and installed a used Thermador (4 burner) Gas Cooktop (model SGC304RS).
Upon testing the burners, they all ignited, but the clicker will NOT turn off. We turned the valves from low to high and no dice. This happens when only one or any combination of burners are on.

Thanks for any help!