4/12/2019 7:28 AM | |
Joined: 12/9/2010 Last visit: 10/8/2022 Posts: 623 Rating:
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Hi b2k.lucky, Discoonect the FO cable between the CPUs and put it again in RUN. At least one of the CPU should get into RUN mode. Also check battery status and ensure there is no programming error in the PLC backup. |
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