DURKOPP ADLER 827 Service Instructions

Troubleshooting
Service Instructions 827/827-M - 01.0 - 05/2019 115
23.3 Errors in sewing process
8401 Watchdog • Perform a software update
• Perform a machine ID reset
• Replace control
8402 -
8405
Internal error • Perform a software update
• Perform a machine ID reset
• Replace control
8406 Checksum error • Perform a software update
• Replace control
8501 Software protection • The DA tool must always be used
for software updates
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 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
Code Possible cause Remedial action

DURKOPP ADLER 827 Specifications

General

Brand	DURKOPP ADLER
Model	827
Category	Sewing Machine
Language	English