Cincinnati Sabre 1000 HH 415 ERROR when start pump

[witbike]

Hello guys,
I have a problem with my machine. When program (spindle, axis and water pump) started or turn off, machine sometimes showing a Gross positioning error... Sometimes when spindle rotate and I hand turn on pump is the same problem. I know what mean Gross positionig error, but now it is not relate with loose in machine. It look like the voltage dropped... I change contactor from pump and nothing better. I do not know where I should looking problem.

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[meckardt55]

WHAT IS YOUR INCOMING VOLTAGE, Are you running this machine on a phase converter or industrial 3 phase? It sounds like it is related to a voltage drop. What control and drives do you have on this machine?

MIKE CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

[witbike]

It is HH 415 BR. Drives FANUC. Sometimes, but very rarely on PCB show LV LED. Machine is connect to 3phase. I have 3 other machine which working fine.