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SF fault on s7 315-2DP

7/6/2014 9:59 PM	Rate (0)
Ayom Posts: 2 Rating: (0)	Hi! Our machine just stopped working. The SF light on the S7 315 PLC stays permanently On. Error message:"Target node not found" is displayed on the HMI screen. Also, one of the variable speed drives is displaying SLx.Er. I need solution friends. Thanks Ayom
Ayom Posts: 2 Rating: (0)
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7/7/2014 3:59 PM	Rate (0)
K!ke Posts: 1299 Rating: (136)	Hello, please give us some more information about the configuration and the behaviour when error occured K!ke
K!ke Posts: 1299 Rating: (136)
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7/8/2014 9:52 AM	Rate (0)
Ayom Posts: 2 Rating: (0)	Have not accessed the PLC yet. But, as of now, the machine is not functioning at all because of the SF fault on the PlC. The PLc is 315-2DP.
Ayom Posts: 2 Rating: (0)
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7/8/2014 12:57 PM	Rate (0)
K!ke Posts: 1299 Rating: (136)	Hello, there are many possible reasons for the sf led. I don't think anyone here is able to help you without more information. read out the diagnostics buffer of the s7... if it's urgent ask siemens supportto help you. but they'll also need some more information. K!ke
K!ke Posts: 1299 Rating: (136)
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