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Setting up the machine
8. Start the Thread trimmer function:
9. To start and stop the machine cycle, press the
10. Check position C to see if the feather key (2) is flush with the marking (3)
7.8 Remaining thread monitor
The remaining thread monitor is checked using a photocell. If the messag-
es on the display do not match the filling state of the bobbin, the photocell
sensitivity must be checked.
Checking the remaining thread monitor
Fig. 21: Checking the remaining thread monitor
(1) - Chamber
To check the remaining thread monitor:
1. Fill the bobbin to half its capacity until the inspection glasses (2) of
2. Insert the bobbin.
3. Sew until the bobbin shows BOBBIN: 003 M.
4. Keep sewing until the display shows BOBBIN EMPTY.
Service Instructions 2112-5 - 00.0 - 02/2020
• Press the
key
• Press the
Diagnostics key
• Press the
Sewing motor key
• Press the
Thread trimmer key
on the motor housing and readjust if necessary.
the upper chamber (1) are covered.
key.
①
②
(2) - Inspection glass
33
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