What may cause the main axis not turn for embroidery machine?

What may cause the main axis not turn for embroidery machine? 

On Sunday, my customer came to me and asked" Nicki, please help! my machine main axis not turn"

Guess what? The needle they bought in their local city was stuck. 

So when you meet the problem on the machine, don't complain about the machines. There are many reasons which may cause the same problem. 

Anytime, please feel free to contact Nicki if you have questions :)

 Nicki---whatsapp# +8618696118389

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