Trying to troubleshoot a cnc mill in a machine shop. It is getting a low voltage warning. The panel is a 120/208v 3ph. The feed to the panel reads 200 volts ph to ph with less than half of the panel load running. The mill is another 40-50 feet away fed with #10 mc cable on a 3 pole 30 amp breaker. The mill fla is 30 amps at I think 240 volt 3ph. The owner thinks a buck boost transformer will boost the voltage. Where would you guys begin?