I have a similar problem on my PLC as well, SF light is red on the CPU and all the analog I/O.
I have recently changed one of DI modules, could this be causing this problem?
In previous posts I have read that changing modules one by one might cause the problem to disappear.
I have recently changed one of DI modules, could this be causing this problem?
In previous posts I have read that changing modules one by one might cause the problem to disappear.