Craftunique CraftBot 3 Right Limit Switch Stop Plate

I received one of the first CraftBot 3 printers in the US last June. I already had a CraftBot 2+ and liked the system and the ready print go aspects (though my Prusa MK3 at home is often less fussy). I needed the multi material and large print bed and was excited to receive the printer. About 6 mo in the second head had a critical temp reading error and after replacing the thermistor (not the issue) and the print head boards (replacements provided by Createunique) got it working again... however