DURKOPP ADLER 967 Operating Instructions Manual page 124

122
Error Possible cause
Skip stitch Needle is
• blunt
• bent
• not properly inserted
Needle thread and hook
thread have not been
threaded correctly
Thread tension is set too
firm
Sewing material is not held
correctly
Needle thickness is
incorrect
Throat plate or hook has
been damaged by the
needle
Hook is set incorrectly
Loose stitch Thread tension not
adjusted to
• Sewing material
• Sewing material
thickness
• Thread
Needle thread and hook
thread have not been
threaded correctly
Thread tension spring not
working
Needle Needle thickness not
breakage suitable for
• Sewing material
• Sewing material
thickness
• Thread
Remedial action
Insert new needle
Check threading path of
needle thread and hook
thread
Check thread tension
Check sewing foot
pressure
Use recommended needle
thickness
Have parts replaced
 Service Instructions
Check thread tension
Check threading path of
needle thread and hook
thread
 Service Instructions
Alter needle thickness
Operating Instructions 967 - 02.0 - 11/2016
Troubleshooting