After resolving a x axis issue i can jog normally on x and y. When calibrating machine calibrates z and x but fails to back off of the y limt and throws an encoder fault for y. Limit switch will register triggering on plus and minus portion of the switch. Machine ran fine untill x axis had issues. Now it cannot calibrate due to new fault.
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What machine do you have? If +y and -y are shown on the screen it is the limit switch, on most machine1995 and new are all that I am familiar with. sounds like it is hitting both the plungers at the same time.