660 is costantly buzzing
Symtom Cause
660 is constantly buzzing
This occurs when the machine
has done 3000 cycle and it is
prompting a knife change
Correction
2. If the knife has recently been
changed. Turn the knife change switch
form left to right.Depress both yellow
cut button ,the knife will come down to
the bottom position.Turn the knife
change switch form right to left, the
knife will return to the top position
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