GE Zwave pool switch 240v wiring?

I have the GE smart switch for pools I have wired as followed

I turn on the switch the pool pump runs for about 4 minutes then it’s completely dead done this twice already any ideas

I would start by contacting GE support just in case there’s a wiring fault.

https://ezzwave.com/ge-z-wave-plus-direct-wire-indooroutdoor-smart-switch-40a