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Fanuc OT on Gildemeister CTX 200 machine Overlimit alarms with Axis not over the limit.


Mar 21, 2007
Malta- Europe
This morning, our CTX200 CNC lathe presented this problem.
When referencing the X Axis, the machine gave a 510 Alarm Overtravel +X which was very far away from the X overtravel.
Then I powered off and powered on the machine while pressing OPR button + Can.
I tried to reference X. It moved quite a bit but stopped.
It now has the same alarm 510 Alarm Overtravel +X and 1056 LIMIT SWITCH -X
the machine is close to the +X limit and cant explain how the X- switch alarm is showing together.
I also changed parameters 700/1/2/3/4/5/6 but with no success.... The swithches are proximity sensors on the machine.
any help appreciated with thanks.