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s7-400 cpu fault

11/11/2014 11:53 AM	Rate (0)
mohamed kassim Posts: 3 Rating: (0)	Standby cpu-417H goes to stop mode due to Link-up/update aborted . Attachment cpu1.pdf (253 Downloads)
mohamed kassim Posts: 3 Rating: (0)	Last edited by: mohamed kassim at: 11/16/2014 1:04 PM
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11/11/2014 11:56 AM	Rate (0)
Eciruam Posts: 3 Rating: (0)	Hello, Do u already loaded some software what can make the stop? Try to put on the calls one for one then u can find the probem, also make sure you have download the right OB's.
Eciruam Posts: 3 Rating: (0)
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11/11/2014 12:20 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	mohamed kassim Standby cpu-417H goes to stop mode due to Link-up/update aborted . Hello mohamed kassim, Please upload diagnostic buffer of both CPUs for more investigations. In case of running master CPU and standby in STOP mode, please check if one of the sync. modules are not faulty or fiber optic cables are not damaged.Read more in section 16.2.5 of the following manaul: SIMATIC Fault-tolerant systems S7-400H I hope this helps, Hamid Hosseini
	Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users MicroMan

11/17/2014 12:42 PM	Rate (0)
mohamed kassim Posts: 3 Rating: (0)	cpu1& 2diagnostic buffer attached Attachment cpu1.pdf (239 Downloads)
mohamed kassim Posts: 3 Rating: (0)
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11/17/2014 3:28 PM	Rate (0)
MicroMan Platinum Member Joined: 11/29/2011 Last visit: 2/4/2025 Posts: 1362 Rating: (233)	HI, Could you save the buffer into a txt file? See this link how (bottom of the page): http://support.automation.siemens.com/WW/view/en/14960968 Cheers:
	- What you read here, please check with manuals and your requirements. - Do not forget to Test, Test and Test... - If the post is helpful, please RATE it! MicroMan
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10/12/2017 8:45 AM	Rate (0)
Jen_Moderator Posts: 8171 Rating: (174)	New question published by Faizan Taufiq is split to a separate thread with the subject S7-400 - Received an error in Diagnostic Buffer:" Error when allocating local data" . Best regards Jen_Moderator
Jen_Moderator Posts: 8171 Rating: (174)
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