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CPU 315 all led blinking

10/24/2012 11:39 AM	Rate (0)
Tohid Posts: 3 Rating: (0)	Dear, we had a S7 300 CPU 315 fauilure.We read the diagnostics data for the CPU.I need help from some one to explain what the datasay the cause of the fault. so as to take preventive action regarding the fault.enclosed is the report form the fauly CPU Attachment Desktopdiagosntic.pdf (351 Downloads)
Tohid Posts: 3 Rating: (0)	Last edited by: O_Moderator at: 10/24/2012 11:42 AM
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10/24/2012 12:48 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 12/24/2025 Posts: 12472 Rating: (2722)	Hello Tohid; Does your CPU 315 use an MMC (please give us the complete part number)? From the diagnostic buffer entries (and the blinking LEDs you mention)I would concentrate on the "replace (memory) submodule" message. If it is an MMC it is easily replaced and the programm re-downloaded. If it is integrated RAM, then you must think of replacing the CPU... Hope this helps, Daniel Chartier Attachment Tohid diagnostics.jpg (307 Downloads)
	Last edited by: dchartier at: 10/24/2012 12:49 PM
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10/24/2012 1:49 PM	Rate (0)
Tohid Posts: 3 Rating: (0)	Dear, We already replaced the MMC card and check but the problem persists. The CPU 315-2 DP(Part number: 6ES7 315-2AG10-0AB0) we replaced already with spare unit now the spare is working with the same MMC card
Tohid Posts: 3 Rating: (0)
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10/24/2012 1:51 PM	Rate (0)
Tohid Posts: 3 Rating: (0)	Dear Chartier, Thanks for your immediate respone
Tohid Posts: 3 Rating: (0)
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10/24/2012 2:22 PM	Rate (0)
Simaticus Posts: 262 Rating: (24)	Hi Tohid, seeing in the diagnostic buffer that your cpu got firmware version 2.6.1 let me recommend to update the firmware to the newest version 2.6.11. Pls find it in this download: http://support.automation.siemens.com/WW/view/en/16750732 Good luck
Simaticus Posts: 262 Rating: (24)
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10/26/2012 2:03 PM	Rate (0)
Boti Posts: 14 Rating: (1)	Hello Tohid, I would suggest firmware upgrade too, see: /tf/WW/en/Posts/31888#top I've encountered this problem too, it's some problem with the firmware versions 2.6.1 to 2.6.9. Boti
Boti Posts: 14 Rating: (1)
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