thien Posted August 25, 2010 Report Share Posted August 25, 2010 Hello everybody. I have an old V120-12-R1. When I was downloading an OS into the controller I got a power suply disconnection. Now I can not connect to the controller any more by the serial communication RS232. Is there any one know how I can resolve the problem? Thanks beforhand. Thien Quote Link to comment Share on other sites More sharing options...
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