Troubleshooting
Service Instructions 1767 - 00.0 - 12/2016 121
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 Possible causes Remedial action
Unthreading at seam
beginning
Needle thread tension is
too firm
Check needle thread tension
Thread breaking Needle thread and hook
thread have not been
threaded correctly
Check threading path
Needle is bent or
sharp-edged
Replace the needle
Needle is not inserted
correctly into the needle
bar
Insert the needle correctly into the
needle bar
The thread used is
unsuitable
Use recommended thread
Thread tensions are too
tight for the thread used
Check thread tensions
Thread-guiding parts, such
as thread tube, thread
guide or thread take-up
disk, are sharp-edged
Check threading path
Throat plate, hook or
spread have been
damaged by the needle
Have parts reworked by qualified
specialists
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