DURKOPP ADLER 195 Operating Instructions Manual page 95

Troubleshooting
Operating Instructions 195 - 01.0 - 11/2017
Meaning Possible causes
Missing • Sewing material is not
stitches held correctly
• The loop stroke was not
corrected when changing
the zigzag stitch width
• Incorrect parts used for
the desired sewing
equipment
• Throat plate, hook or
spread have been
damaged by the needle
Loose • Thread tensions are not
stitches adjusted to the sewing
material, the sewing
material thickness or the
thread used
• Needle thread and hook
thread have not been
threaded correctly
Needle • Needle thickness is
breakage unsuitable for the sewing
material or the thread
Seam • Residual tension is too
beginning not tight for the needle thread
secure
Remedial action
• Check clamping
pressure
• Set the loop stroke
• Check the parts based
on the equipment sheet
• Have parts reworked by
qualified specialists
• Check thread tensions
( p. 27)
• Check the thread path
( p. 15)
• Use recommended
needle
• Adjust residual tension
93