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I have 7 well sites on an Indian reservation in Florida where I'm getting 08h errors on many of them at the same time. They're all powered by DC from a solar panel array at each site. These wells are a mile or so apart but I had 4 of them (wells #1, #4, #5 & #6) fault out last week within an hour of each other with the 08h error code (internal software fault). I reset them from Logix500 and all was well for a week and then this am 2 of them (#6 & #7) faulted with the same 08h error.
Does anyone know how to reset this hard fault from the front LCD buttons, and more importantly, has anyone seen this issue before? I tend to think it's a grounding issue... because I can't think of anything else that will take out this many PLCs at one time.
Does anyone know how to reset this hard fault from the front LCD buttons, and more importantly, has anyone seen this issue before? I tend to think it's a grounding issue... because I can't think of anything else that will take out this many PLCs at one time.