i have one okk cnc vertical milling,model no-PCV 40.
this mc fanuc spindle drive alarm-10,sometime i off& on the drive alarm comes 16 also. pcb part no-A20B-1003-0010/14B,
i checked input supply phase to phase 200V ok
checked drive magnetic conductor,reacter,igbt,rectifier,capaciter all ok.
alarm comes once i on control 2 to 3 minutes later.
pls somebody advise me what is the problem?