Hi,
We have an early model Mini Mill(2001). The machine will boot up and run, but in the middle of a cycle will shut down immediately without any alarm. It seems to happen when the machine is running a cycle. If it is on,but idle it doesn't shut down. Incoming voltage is 208. Thanks for any help!
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I have the same issue right now with a newly purchased (to me) 95' vf0. Narrowed it down today. Seems that the coolant circuit on the io board has an issue. I unglugged the coolant cable from the io board and machine runs without a hitch. Plug it back in and it may run one tool or a couple then unexpectedly shuts off completely. Turn it back on and alarm is 170 phase l1 and l2 lose.