Toyota SP20 Series Instruction Manual page 49

Trouble
The needle is incorrectly installed
The needle is bent
Missed
The needle and thread are not
stitches
appropriate for the fabric
The upper thread is not
correctly threaded
The tension of the upper
thread is too tight
The fabric
The upper and lower thread
wrinkles /
are not correctly threaded
puckers
The needle is too thick for the cloth
The needle is burred
The lower thread is incorrectly threaded
Too much
lower thread The tension of the upper
showing on thread is too tight
right side of
The bobbin is not correctly
the fabric
inserted in the bobbin case
The upper thread is not
correctly threaded
Too much
upper thread The tension of the upper
showing on thread is too loose
wrong side of
The upper thread is not correctly
the fabric
threaded (not threaded through
the thread guide)
The stitch length dial is not set
to setting "A – K" or "L – S"
Stretch
stitches cannot
The stitch length dial and the
be sewn
pattern selection dial are set to
different settings
The needle position is too low
The needle
Needle no.9 is being used
cannot be
The needle is incorrectly installed
threaded with
The needle is bent
the needle
threader
The thread has not been
correctly passed through the
needle bar thread guide
If the above treatments do not solve the problem, contact
the service center as described in your warranty.
When calling for service, please note the MODEL and
SERIES that are inscribed on the back of your sewing
machine.
Cause
Install the needle correctly
Use a straight needle
Sew with a needle and thread
appropriate to the fabric
Thread the upper thread correctly
Adjust the thread tension
Thread the upper and lower thread
again
Use a needle appropriate to the fabric
Replace with a good needle
Thread the lower thread correctly
Adjust the thread tension
Insert the bobbin in the bobbin
case correctly
Thread the upper thread correctly
Adjust the thread tension
Thread the upper thread correctly
Set the stitch length dial to the
appropriate setting
Select the same setting on the
stitch length dial and the pattern
selection dial
Turn the handwheel so that the
line is at the top
Use needle no. 11 through 16
Install the needle correctly
Use a straight needle
Pass the thread through the
needle bar thread guide correctly
Countermeasure
SP20 SERIES / SERIE SP20 SERIES / SERIE MODEL / MODELE SP MODEL / MODELE SP
Manufacturer/ : ZHEJIANG AISIN ELITE
Fabricant
Importer/
Importateur
220-240V 220-240V 50Hz 50Hz
Designed and engineered by Designed and engineered by
max 15W max 15W
Total 85W Total 85W
AISIN SEIKI JAPAN AISIN SEIKI JAPAN
MADE IN P. R. C. / FABRIQUE A P.R.C.
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MACHINERY & ELECTRIC
CO., LTD.P.R.C.
: EUROPE S. A.
49