text: <s>[INST] Sercos Protocol Error I am having an issue with a sercos ring randomly dropping out. The ring will get to phase 4 and then lose comms and start the cycle over again. This fault resets itself automatically, but it also stops all motion on that secros ring and causes an fast stop situation on our machine. I pulled some of the sercos log information as detailed in KB 56209 and see that I am getting a 16 [/INST] Can you give us a map of your SERCOS ring? What hardware? What is the processor? You say you've replaced all the drives but one, and the problem persists. Are you going to try replacing that last drive? \\n </s>