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POSSIBLE CAUSES |
SOLUTIONS |
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Thread feed settings too low |
Troubleshoot the thread feeder assembly. Check the adjustment of the tread feed parameters in the AMAYA OS software. Contact Melco Technical Support if necessary. |
|
Bobbin tension too low |
Adjust the bobbin tension by tightening the screw on the bobbin case. Refer to the Operator Manual for instructions. |
|
Uneven thread size |
Replace with quality thread |
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Rotary hook timing is incorrect |
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Inadequate rotary hook lubrication |
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Thread feeder roller worn or damaged |
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|
Design density too tight |
Decrease density (refer to AMAYA OS manual for design editing) |
