Huanyang VFD and spindle problem

[JAZZCNC]

Thanks for your reply :)

Is there a way to check that the problem is the VFD and not the motor. If I order a new one I would like to be sure that this is the VFD the problem.
Do you had a lot of Huanyang VFD? Are they good in general? Thanks for your help.

Very much doubt it's the Spindle they are simple devices. About only useful test you can do is continuity test and check windings haven't shorted to body.

The VFD's are ok for the money and do the job when working but wouldn't say they are Good quality. If you can't return and nothing inside is obviously damaged so can be repaired then much better replacing with higher quality unit.