CQM1H-CPU21 Err/Alm Problem

hi: I have the same problem, in a cpu1e-e20dr-a, the led err / alm turns on, and I can not communicate it with the program to solve it by software, since apparently it completely blocks the plc, some solution?
 
marcezaballa


I do not recognize the part number you have provided.


Can you please check the part number or provide a picture of the front of the plc.


Thank you,
gtsuport
 
thank you very much Gtsuport I send you the images of the plc

 

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