Reset needed to restore power


capecad@...
 

On my South Bend 10k the power will randomly shut down and a reset is needed to restore power. I'm looking for ideas on what might be causing this.


Current consumption is 4.6 Amps while turning and does not increase when the lathe shuts down.


I am using a 5 HP rotary phase converter which is unaffected by the shut down.

Here is an image of it when it shuts down:


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