Help requested - installing end stop sensors onto my chinese 3018 Pro

[Doddy]

Hi, thanks for the really quick response Doddy, appreciate your help.

I've attached photos showing the relevant part of the controller board.



"Green to +, black to -" - yes, this is how I had it previously (and red to S). So it perhaps seems like a simple case of having put the plug on upside down onto the controller board?


This is the actual switch I have (though just to add to the confusion, it's shown there with yellow in place of green, black and red are shown correctly).

Yeah, those connectors provided with the switches aren't polarised - Orientate them with red=+, black=-, green=S. Ironically the connectors on the controller are polarised (different connector) so blame the accountants for penny pinching.

You shouldn't have damaged anything... much (perhaps lifed a microswitch or two), provided the PCB has survived.