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Simotion D245-2 SF led is RED and communication between HMI and PLC not working

9/11/2024 7:10 AM	Rate (0)
cevdetdal Joined: 2/22/2023 Last visit: 9/5/2025 Posts: 4 Rating: (0)	I have project with D245-2, HMI KTP700 basic, 3 SINAMIC together. Program work normaly if I run PLC with run state on SCOUT (PC) but if I stop machine and cut-off electricity PLC doesn't start. SF led is red and communication between HMI and PLC doesn't work. I need help. Attachment plc_status_led.jpeg (409 Downloads)

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9/11/2024 11:00 AM	Rate (0)
jacek d Platinum Member Joined: 9/23/2005 Last visit: 12/23/2025 Posts: 5149 Rating: (772)	While offline check in your project if a device variable _startupData.operationMode = RUN. If not, change it to that value and download the project. Next to check is a diagnostic buffer of a device. Search entries for any stop reasons.
	Last edited by: jacek d at: 09/11/2024 11:02:55 Regards, Jacek What is confusing you is the fact that you never see a number but always its digit representation. So you end up thinking that the number is the representation. - Andrej Bauer Any claims against me - based on whatever legal reason - resulting from the use of any code and/or ideas presented on this forum shall be excluded. #StayWithUkraine
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9/16/2024 10:36 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 12/19/2025 Posts: 22816 Rating: (3073)	go online and check diagnostic buffer

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9/18/2024 6:00 AM	Rate (0)
cevdetdal Joined: 2/22/2023 Last visit: 9/5/2025 Posts: 4 Rating: (0)	I have upload project to the PLC it work again. But the problem is when I stop machine the problem happens again. May be CF card fails. How can I check it?

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9/18/2024 6:01 AM	Rate (0)
ChristophD Grandmaster-Expert Joined: 5/12/2006 Last visit: 12/19/2025 Posts: 22816 Rating: (3073)	open diagnostic buffer and check what logged here

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