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Troubleshooting
23 Troubleshooting
23.1 Customer Service
Contact for repairs and issues with the machine:
Dürkopp Adler AG
Potsdamer Str. 190
33719 Bielefeld, Germany
Tel. +49 (0) 180 5 383 756
Fax +49 (0) 521 925 2594
Email: service@duerkopp-adler.com
Internet: www.duerkopp-adler.com
23.2 Errors in sewing process
Error
Unthreading at seam
beginning
Thread breaking
Service Instructions 1767 - 00.0 - 12/2016
Possible causes
Needle thread tension is
too firm
Needle thread and hook
thread have not been
threaded correctly
Needle is bent or
sharp-edged
Needle is not inserted
correctly into the needle
bar
The thread used is
unsuitable
Thread tensions are too
tight for the thread used
Thread-guiding parts, such
as thread tube, thread
guide or thread take-up
disk, are sharp-edged
Throat plate, hook or
spread have been
damaged by the needle
Remedial action
Check needle thread tension
Check threading path
Replace the needle
Insert the needle correctly into the
needle bar
Use recommended thread
Check thread tensions
Check threading path
Have parts reworked by qualified
specialists
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