I'm working on a Haas TL2 Lathe running on 220v single phase when I power up the machine I get alarm 177 Overvoltage Shutdown and the machine times out.

From what I have been told the machine was moved about 20 ft. to a new location in the shop, they used the same power cord and the lathe ran fine before they moved it.

This lathe has been sitting for a few years with the power off.

Has anybody come across this problem before?

Where do I start troubleshooting?

Thanks