I have read through all the posts in regards to my issues with inputs 1,2,3,4 not responding in mach3..

When testing voltage on inputs 1 and 4 they read 12v but 2 and 3 read 0v.. not sure if my g540 needs to be sent back for repair?

From what I have read inputs 1,2,3,4 should all read the same 12v so I would assume there is an issue with the g540..

I have contacted gecko drives 4 days ago with no reply most likely due to the holiday.

Can someone please advise me on what to do..

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