Operation Manual

APPENDIX
67
4
List of symptoms
■
Before sewing
Symptom Possible cause How to put it right Reference
The needle
threader cannot be
used.
(For models
equipped with the
needle threader
lever.)
Youhavenotmovedtheneedleholder
to its highest position.
Raise the needle either by turning
the handwheel toward you
(counterclockwise)sothatthemarkon
the wheel points up or by pressing
(needlepositionbutton)onceortwice.
page 16
The needle is incorrectly installed. Correctlyinstalltheneedle. page 21
The sewing light
does not come on.
The machine is not turned on. Turn on the machine. page 9
Bobbin thread does
not wind neatly on
the bobbin.
The thread is not passed through the
bobbin-winding thread guide correctly.
Correctlypassthethreadthroughthe
bobbin-winding thread guide.
page 11
Bobbinspinsslowly.(formodelsequipped
withthesewingspeedcontroller.)
Move the sewing speed controller to
theright(sothatthespeedwillbefast).
page 10
The thread that was pulled out was not
woundontothebobbincorrectly.(For
models equipped with the fast bobbin
windingsystem.)
Windthethreadthatwaspulledoff
round the bobbin five or six times
clockwise.
page 13
The thread does not
pass through the
eye of the needle.
(For models
equipped with the
needle threader
lever.)
Youhavenotmovedtheneedleholder
to its highest position.
Raise the needle either by turning
the handwheel toward you
(counterclockwise)sothatthemarkon
the wheel points up or by pressing
(needlepositionbutton)onceortwice.
page 16
The needle is incorrectly installed. Correctlyinstalltheneedle. page 21
The needle
threader lever does
not lower to the
correct position.
(For models
equipped with the
needle threader
lever.)
The needle has not been raised to the
correct position.
Raise the needle either by turning
the handwheel toward you
(counterclockwise)sothatthemarkon
the wheel points up or by pressing
(needlepositionbutton)onceortwice.
page 16
While winding the
bobbin, the bobbin
thread was wound
below the bobbin
winder seat.
Youhavenotwoundthebobbinthread
properly.
After removing the thread wound
below the bobbin winder seat, wind
the bobbin correctly.
page 11
■
While sewing
Symptom Possible cause How to put it right Reference
The sewing
machine does not
work.
The machine is not plugged in. Plugthemachinein. page 9
The main power switch is turned off. Turn on the main power switch. page 9
The bobbin winder shaft is pushed to
the right.
Move the bobbin winder shaft to the
left.
page 13, 14
Youhavenotusedthefootcontroller
properly.
Usethefootcontrollerproperly. page 9
The foot controller or the start/stop
buttonwasnotpressed(formodels
equippedwiththestart/stopbutton).
Pressthefootcontrollerorthestart/
stop button.
page 27
The presser foot lever is raised. Lower the presser foot lever. page 26
The start/stop button was pressed, even
though the foot controller is connected.
(formodelsequippedwiththestart/
stopbutton)
Do not use the start/stop button when
the foot controller is connected. To use
the start/stop button, disconnect the
foot controller.
page 27