Fanuc 6M alarm: 231 -Z OT.

[thanhct]

Hi all.
I've vertical Miling machine. The controller is Fanuc6M. Now, I'm using DNC through a COM6M Combo. But the alarm is: 231 -Z OT. I don't know how to solve this problem. Could You help me asap.
Thanks for your looking.

[tony784]

the spindle has traveled to low sending it out of limits.Zero the z axis hit reset you may have to be in edit mode, send the machine home and see if the alarm goes away.