Troubleshooting library: winders and yarn cakes

Choose the guide that matches the symptom

This page is a route to the right diagnosis, not a substitute for the detailed procedure. Stop the mechanism first and preserve the yarn supply while you choose the problem below.

• The supply catches, the cake winds unevenly, the bobbin feels loose or the whole winder moves: use the winder symptom guide.
• The cake starts collapsing or several loops emerge together during use: use the cake containment guide.
• The clamp will not sit flat or a table apron blocks it: check the clamp and surface guide.
• The package is stable but needs long-term organization: use the wound-yarn storage guide.

For a powered model, switch it off and disconnect it before inspecting yarn near moving parts. Warranty, replacement-part and internal motor questions belong with the seller or manufacturer for the exact model.