Polar 76 SDP keyboard stop working after first cut.

[slimbh]

Hi guy,
We have polar 76sdp machine. After first cut, the keyboard all pad stop working but the machine continue to work manually. We can move size stakes, we can make cut but only keyboard not working.
If we restart machine, keyboard work just for first cut after, it stop working.
Any help please.
Also need wiring diagram Please.
Thanks,

 

[chock]

Hi sir:
I have wiring diagram for Polar, and other tech documentation
Blessing
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