Table of Contents
Advertisement
Error Type
Skipped
Bent needle
Stitches
Inadequate needle size for
thread
Incorrect installation of needle
Poor timing of needle and
hook
Large gap between needle
groove and hook point
Incorrect lower dead stop
Damaged hook point
Thread feeding is interfered
Inadequate thread
(twist, elasticity, and flexibility)
Excessive tension or stroke
on the take-up lever spring
Fabric moves with needle -
weak or damaged presser
foot (spring)
Cause
Change needle
Adjust installation
Adjust timing
Adjust lower dead stop
Use whetstone to adjust hook
point or change hook
• Adjust thread tension
• For upper thread, change
bobbin or bobbin case
Select right thread for embroidery
Adjust stroke or tension
Change presser foot spring
Inspection & Repair
Reference
See 5.11.2
See 11.9
See 5.5.2
See 5.6.2
See 5.5.3
Hide quick links:
Advertisement
Table of Contents
