Allen Bradley Service & Repair Forum

HI, this control is on a supermax ycm-40. the control does not power up.when power is applied to the control nothing happens at all untill the reset button inside the clam shell is pushe then the display says checking memory then goes blank and nothing further happens. I think there may be a simple problem with the e-stop on the e-stop circuit there is on line connected to the power suply that runs on 24 vdc the second circuit is connected to the 3 phase transformer p-2 tap that is a nuetral. my question is how much voltage an when should the e-stop circuit see it . Also do you have wiring diagrams-schematics for this controlwould like to eliminate any problems not in the boards before i send them in for testing /repair if not needed

— Posted by JOHN CAESAR on 2008-05-20

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If you need your Allen Bradley unit tested or repaired,
give us a call at 1-336-969-0110.
We offer fair estimates and extended warranties on the work performed.
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


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#Allen Bradley by JOHN CAESAR on 2008-05-20 17:29
HI, this control is on a supermax ycm-40. the control does not power up.when power is applied to the control nothing happens at all untill the reset button inside the clam shell is pushe then the display says checking memory then goes blank and nothing further happens. I think there may be a simple ...
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