Yaskawa V74x VFD displays 00 RPM

[ssflyer]

Hi all,

Yesterday my spindle wouldn't start. I checked the VFD; the run light was flashing and the RPM displays "00".

The fan runs on the spindle, but that's a different circuit. I checked voltages- all seems OK. Restarted several times, but no joy.

Any thought?

Thanks,
Ron

[ssflyer]

OK, found and downloaded the original parameter setup, and got it working...