NEED HELP! Spindle wont turn on

[mcdoof]

Hi,

I have a china cnc with a 4 Axis RZNC 32 LED DSP controller.
The machine works years without errors.
But from today i cant turn on the spindel.

Need advice where to look for the error.

Thanks.

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[allencncrouter]

spindle dont work
1 spindle itself
2 VFD inveter
3 cable connection check

[Sterob]

Check all the connections for tighness.

Is the relay pulling in? If not, is the relay getting a voltage to energise?