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S7-410 all LED off

12/2/2022 10:02 AM	Rate (0)
moiahmadi1368 Posts: 2 Rating: (0)	Hi every one. I have a station S7-410 configuration. one of CPU's powered off. next time when we powered it on again, all LED's light on for some seconds. then all of them light off completely without flashing and CPU not respond. disconnecting and connecting power not help. do you have same experience?
moiahmadi1368 Posts: 2 Rating: (0)
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12/2/2022 11:25 AM	Rate (0)
SCOTT123 Silver Member Joined: 10/16/2007 Last visit: 12/11/2025 Posts: 658 Rating: (46)	Hello, maybe it is borken? Do you have a spare one to change and check? Scott

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12/3/2022 4:48 AM	Rate (0)
moiahmadi1368 Posts: 2 Rating: (0)	SCOTT123 Hello, maybe it is borken? Do you have a spare one to change and check? Scott I used a spare CPU and every thing were OK
moiahmadi1368 Posts: 2 Rating: (0)
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