Performance checklist, Performance checklist ,67 – SINGER XL100 Quantum User Manual
Page 68
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

Performance Checklist
If sewing difficulties occur, make sure instructions are correctly followed. If a problem still exists, reminders below may help solve
it.
Problem
Cause (Reason)
Action to be taken
Page
Sewing machine
suddenly stops during
sewing.
Light is on, and
handwheel can be
turned by hand
smoothly.
Sewing machine has been
run at Tow sewing speed for
an extended period of time.
Machine is designed to
automatically turn motor
power off to prevent
overheating.
Turn power switch off, and
wait for about
20
minutes.
Safety device will reset, and
machine will be ready to
operate.
I
CHECK THREAD
Needle
will not
move.
1
^
presser
FOOT
»
THREAD CUTTER
I BOBBIN WINDER
BUTTONHOLE LEVER
Upper thread has run out.
Presser foot is up.
Bobbin winder shaft was left
in winding position.
Buttonhole lever was not
lowered when machine was
placed in buttonhole mode.
Replace empty spool, and
thread machine.
Lower presser foot.
Move bobbin winder shaft
back fully to left.
Lower buttonhole lever.
Sewing machine will not
run.
Presser foot is not correct
one, and needle hits
presser foot.
Needle has come out and is
in hook of machine.
Replace presser foot with
correct one.
Remove needle and insert
new one.
20
20
20
20
8
21
â
PlglrHSi®.
LCD window and/or
LCD touch-screen blank
or totally blue.
LCD brightress control
knobs have accidently been
rotated to wrong position.
Readjust knobs to desired
brightness and contrast.
15
Thread breaks.
Skipped stitches
Threading is not correct.
Thread has a knot In it.
Thread tension is not
correct.
Needle is bent or blunt.
Needle has been inserted
wrong.
Bobbin has not been fully
inserted in bobbin case.
Bobbin case has been
Incorrectly threaded.
Bobbin does not turn
smoothly in bobbin case.
Needle and threads do not
match.
Thread take-up lever has
not been threaded.
Correctly thread machine.
Remove knot.
Correct thread tension.
Replace needle.
Properly insert needle.
Securely install bobbin into
bobbin case.
Correctly thread bobbin
case.
Check to see that bobbin
has been wound evenly.
Use proper thread or
needle.
Check threading order.
12,13
21
21
11
11
11
21
12
Stitches are not formed
properly.
Thread has not been pulled
into thread sensor guide.
Threading is not correct.
Bobbin case has been
threaded wrong.
Spool cap is wrong size for
thread spool.____________
Fully pull thread Into thread
sensor guide.
Correct threading.
Correctly thread bobbin
case.
Replace the cap with
correct size.
12.13
12.13
11
11
66