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8-4

Error Type Cause

Stitch is too small/dense

for thread

Frequent thread break in

the same spot

Inadequate needle size

for thread

Needle damage (bent,

dent, worn)

Incorrect needle

installation (height,

direction, etc.)

Dirty needle (adhesive,

etc.)

Inspection & Repair

Re-punch design tape

Re-punch after checking

design

Correct the stitches on

operation box

Change needle

Re-install needle

Clean or change needle and

hook

Check design

Use minimum adhesive for

applique

Reference

Thread breaks

SunStar SWF Series User Manual

Questions and Answers: