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Md pro wire edm - contact error/alarm

cl32a4m2e4

Plastic
Joined
Mar 7, 2019
Whenever we turn machining on, we get the contact alarm. We have checked the resistor rack (it is good) and the ceramic insulators on the upper and lower heads - they are good. One time we turned off the optimal control and it worked. Now we have the contact alarm every time we turn the machine on and cannot get past it.

Any help is greatly appreciated!
 








 
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