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S7 414-HJ04 redundance error

4/24/2011 12:44 AM	Rate (0)
StupidFoxBKHN Posts: 3 Rating: (0)	The system have 2 CPUs 414-H with 7 couple ET200M and 4 Touch panel Siemens TP177 The led REDF in master CPU is Light (CPU is RUN) The led REDF and EXTF in redundance CPU is Light (CPU is STOP) When I turn off TP177 or ET200M or Repeater then sometime master CPU go to STOP mode, sometime still RUN mode What is problem? Can anybody help me? Many thanks
StupidFoxBKHN Posts: 3 Rating: (0)
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4/24/2011 9:19 AM	Rate (0)
Ayman Elotaify Diamond Member Joined: 5/28/2008 Last visit: 1/14/2026 Posts: 4522 Rating: (843)	Hello, If you are going to know the error from CPU leds, then have a look on the following link: LED error displays with H-CPUs Hope this helps.
	Ayman Elotaify
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4/24/2011 11:15 AM	Rate (0)
StupidFoxBKHN Posts: 3 Rating: (0)	Thanks for your help, but I want to change the "operation mode" of this system from "solo mode" to "redundance mode" I already use Simatic Manager with PC Adapter to change this, but I can not. When I connect to CPU0 (both MPI or Profibus) Simatic Manager report not connection to CPU1, when connect to CPU1 so CPU0 is not connection; so that I can not warm start or cold start all the CPU and then the system stay in solo mode
StupidFoxBKHN Posts: 3 Rating: (0)
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4/24/2011 12:05 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	StupidFoxBKHN Thanks for your help, but I want to change the "operation mode" of this system from "solo mode" to "redundance mode" I already use Simatic Manager with PC Adapter to change this, but I can not. When I connect to CPU0 (both MPI or Profibus) Simatic Manager report not connection to CPU1, when connect to CPU1 so CPU0 is not connection; so that I can not warm start or cold start all the CPU and then the system stay in solo mode The first reference point for determining the cause for a CPU stop is in the diagnostic buffer. For this, in the SIMATIC Manager with the CPU selected, you select the menu item "PLC > Module Status...". Check the cause of error by reading logs of diagnostic buffer as mentioned above.Also Check the following links: 1-LED error displays with H-CPUs 2-Automation System S7-400H Fault-tolerant Systems 3-Detailed analysis of STOP of the S7-400F/FH CPUs regards
	Demo Channel on Youtube
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