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Simatic S7 313C-2DP Problem.

4/10/2011 5:45 PM	Rate (0)
artem.luksha Posts: 3 Rating: (0)	Dear Engineer! Hello. Simatic S7 313C-2DP Problem. CPU Status: SF (Flashing) Force(Dark) RUN(Dark) Stop(Dark) BF(Dark) What's the problem? I can'tconnected to the CPU andcheck what does write in Diagnostic Buffer.
artem.luksha Posts: 3 Rating: (0)
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4/10/2011 7:24 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Hello, Did you try with another MMC? Perhaps the CPU is defective. It is a very strange to blink only SF. Best regards, Hristo Mihalev

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4/10/2011 8:01 PM	Rate (0)
artem.luksha Posts: 3 Rating: (0)	sorry for my english, i hope that you understand me... this problem happended when power switched off. When i switch on power only SF blinking. But after several switch on and switch off power, extract and installation MMC card PLC go to run mode. But after every power drop they go to error and SF blinking. Now SF error blinking and i can't do nothing that switch on PLC to RUN mode... Change MMC didn't help.....
artem.luksha Posts: 3 Rating: (0)
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4/10/2011 8:12 PM	Rate (0)
umencho Grandmaster Joined: 3/21/2006 Last visit: 1/10/2026 Posts: 10247 Rating: (1183)	Try with http://support.automation.siemens.com/WW/view/en/12011632 (take a new MMC prepare it with OS update and follow the steps from the mentioned link. Best regards, Hristo Mihalev
	Last edited by: UMENCHO at: 4/10/2011 8:13 PM
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4/11/2011 8:09 AM	Rate (0)
artem.luksha Posts: 3 Rating: (0)	I tried switch on CPU without MMC. But problem doesn't disappear.
artem.luksha Posts: 3 Rating: (0)	Last edited by: artem.luksha at: 4/11/2011 8:12 AM
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4/25/2011 1:26 PM	Rate (0)
KayBee Posts: 241 Rating: (7)	Dear Artem, Just curious if you can check the CPU power supply is giving right voltage level. Though this just for the sake of checking why this is happenning after Power off-->on.
KayBee Posts: 241 Rating: (7)
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