Motor with VFD runs hot, 170*f.
Cutler hammer AFM15100B. 575 volt, 3ph, 10hp
10.4 amp motor, 10 hp motor.
Measured input voltage at 592, output voltage at 650, running at full speed, 60 hz, 10.6 amps.
When speed drops to 56 hz, amps are 9.6, output volt are 643.
Blows one fuse, the same fuse after some 3 hours of run time.
Volt to hertz ratio set to high? Customer says no one has touched anything.
I'll need to go back with a manual.