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Performance Checklist
If sewing difficulties occur, make sure the instructions are correctly followed.
If a problem still exists, the reminders below may help solve it.
Problem
Machine fails to
* Machine runs idle.
feed fabric.
* Stitch length is set at left position of manual
mode.
* Drop feed is engaged.
Needle breaks.
* Needle is bent. Needle is not correctly
installed.
* Presser foot does not match pattern
selected.
* Relation among needle, thread and fabric
is not appropriate.
Thread breaks.
* Machine head is incorrectly threaded.
* Thread is caught in a part that is not to be
threaded.
* Needle thread tension is too high.
* Needle is bent.
Bobbin thread
* Needle is not installed correctly.
breaks.
* Needle is bent.
Skipped stitches.
* Machine head is not correctly threaded.
Puckering occurs.
* Thread tension is too high.
* Needle and thread do not match fabric.
Thread tangles on
* Machine head is not correctly threaded.
wrong side of fabric.
Loud noise, heavy
* Lint or dust has accumulated in hook.
to turn the handwheel.
Sewing machine will
* Bobbin winder is set in bobbin winding
not sew when start
position.
button is pressed.
* Controller is connected to machine.
Needle cannot be
* Needle is not raised to its highest
threaded.
position.
* Needle is not installed by fully inserting
into needle clamp.
* Sewing machine is rotated by mistake with
needle threading lever lowered (during
needle threading).
Specification table
Item
Dimensions
Dimensions when attached
with case
Weight
Rated voltage/ Power con-
sumption
Power consumption of lamp
46
Cause (Reason)
Specification
410 (W) x 300 (H) x 180 (D) mm
440 (W) x 305 (H) x 215 (D) mm
7.3kg (when attached with case: 8.4kg)
120V / 1.0A 60Hz (USA and Canada only)
220-230V / 100W 50 / 60Hz
120V / 15W (USA and Canada only)
240V / 15W
Action to be taken
* Return bobbin winder to the left.
* Set stitch length at auto mode or right position
of manual mode.
* Disengage drop feed.
* Change needle with a new one and install it
correctly.
* Use presser foot that matches the pattern
selected.
* Use needle and thread that match fabric.
* Re-thread machine head correctly.
* Check spool pin and thread guide for thread
tangling.
* Adjust thread tension adequately.
* Replace needle with a new one.
* Correctly attach needle.
* Replace needle with a new one.
* Re-thread machine head correctly.
* Adjust thread tension adequately.
* Use needle and thread that correctly match
fabric.
* Re-thread machine head correctly.
* Clean up hook.
* Return bobbin winder to the left.
* Start machine with controller or remove
connector from machine.
* Turn handwheel to raise needle to its highest
position.
* Correctly install needle.
* Turn handwheel slightly away from you (in
direction opposite to normal direction of
rotation in which handwheel turns to perform
sewing).
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