[?]: My S7-300 PLC CPU 313C do not coming in RUN Mode

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
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isteak007
Posts: 93
Joined: Wed Jul 14, 2010 10:23 am
Location: Bangladesh
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[?]: My S7-300 PLC CPU 313C do not coming in RUN Mode

Post by isteak007 » Mon Nov 29, 2010 4:34 pm

Dear Expert,

My S7-300 PLC CPU 313C do not coming in RUN Mode.
SF Light is Blinking.
No other light is ON
What is the Main Fault?

Please Help
THANKS

kriztof
Posts: 96
Joined: Fri Nov 16, 2007 3:18 pm
Location: Europe

Re: S7-300 Problem

Post by kriztof » Mon Nov 29, 2010 4:54 pm

You have to use Step7 to access PLC diagnostics buffer.
Connect to your PLC using MPI bus and then from Simatic Manager chose Hardware Diagnostics.
http://support.automation.siemens.com/W ... en/2687356
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