Error In The Software; Testing The Function Of The Buttons - Dürkopp Adler 867-M PREMIUM Service Instructions Manual

Troubleshooting
Error
Loose stitches
Needle breakage

24.3 Error in the software

In rare cases, it may happen that no more menus can be called up after
an error message. Even restarting the machine does not eliminate this
problem.
In this case, it is possible to access the Technician level immediately
during machine startup. It is then possible to carry out an error diagnosis
using Multitest or to reset the machine to the factory settings in the
Reset menu.
To access the Technician level during startup:
1. Switch off the machine at the main switch.
2. Hold button F pressed and at the same time switch on the machine at
 The machine starts and the display shows the input screen for the
3. Use the numeric buttons to enter the password (25483).
 You are on the Technician level:

24.4 Testing the function of the buttons

If it is suspected that the buttons on the control panel are not functioning
correctly, this function can be tested.
To test the functionality of the buttons on the control panel:
1. Switch off the machine at the main switch.
Service Instructions 867-M PREMIUM - 03.0 - 05/2017
Possible causes
Thread tensions are not
adjusted to the sewing
material, the sewing material
thickness or the thread used
Needle thread and hook
thread have not been
threaded correctly
Needle thickness is
unsuitable for the sewing
material or the thread
the main switch.
password.
Only the two menus Multitest ( p. 126) and Reset ( p. 133)
are available with this access.
Remedial action
Check thread tensions
Check threading path
Use recommended needle
thickness
159