6/7/2016 10:50 PM | |
Posts: 7 Rating: (0) |
Hello to all I also have the same problem. I have two 416-2 CPU ,one of them with code: 416-2xk04 placed on the rack and sometimes every day or every tow day or more give fault and all status led flashing ,I power off then power on and download programs and then CPU working after two month I replace CPU with other CPU with code :416-2xk02 and the new CPU 7 month working good, and then the same fault occured for new CPU. the fault occur time decrease to few minute for neww CPU. please help me. Thankyou. ------------------------------------------------------------------------------------------ |
Last edited by: rasool sabeghi at: 6/7/2016 10:51:59 PMLast edited by: The Helping Hand at: 6/8/2016 8:29:27 AMNew subject after splitting |
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6/8/2016 4:21 PM | |
Joined: 1/28/2009 Last visit: 9/10/2024 Posts: 6849 Rating: (1365)
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Dear user, If you can run those CPUs in other racks and situation without any problem , so there is a problem in your existing rack.Check from pins in rack , accessories attached to CPU ,EMC and proper grounding.You will find more help here: Automation System S7-400 Hardware and Installation I hope it helps, hdhosseini |
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