Servicemanual_aurora_435_450_english_V3_032530.50.04_Korrektur.doc 46
SP 8.4 Buttonhole
Caution:
The buttonhole filter is no
longer needed for this test!
This applies only to aurora
models 430, 435 / 450 and
440QE!
What to test:
SP 8.4 Calibration of buttonhole
What to adjust: Make sure that the basic mechanical
settings are correct and that the foot is in
good working condition.
Press key 8 four times in the basic
program.
Press key 18 to confirm selected test.
Insert buttonhole foot 3a.
Set feed-dog up.
Set needle bar up.
Set presser foot down.
Press key 18 to start test.
OK or F (Failure) is then displayed in the
matrix.
Press OK button to exit with saving or ESC
button to exit without saving.
Desired status: During the test the buttonhole symbol is
displayed in the matrix g
Wait for calibration to complete.
OK or F is displayed in the matrix g
once calibration is complete.
Repair note when
F is displayed:
• Balance adjustment 8.2 and/or 8.3 must
be checked.
• Check presser foot and sensors in test
0.9 in the basic
• program. Replace if necessary.
• Inspect cable
• Replace S-Print
3
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