POLAR 92 EM-MON problem

[Dieudos123]

Hi everybody,
Please anyone can help me with the following problem?
It is about the cutting machine POLAR 92 EM-MON:
When I press two buttons to cut,the the blade is not moving down and it
displaying :TIME OUT ERROR KNIFE
CUT INTERRUPTED
What can cause this?

Thanks in advance.

 

[chock]

Hi
ix it Sir¿
Regards
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