58
Trouble chart
English
PROBLEM
Breaking lower
thread
Skipping stitches
Irregular stitches
The material not
fed correctly
Noisy machine
The material
puckers
Breaking needle
PROBABLE CAUSE
Thread not wound evenly on the bobbin or not drawn up
correctly
Lower thread tension too tight
Lint is stuck in the bobbin case and inside the tension spring
Needle not fully inserted
Needle bent or blunt
Size or type of needle and thread not suitable for the
material
Incorrect upper threading
Too much oil on the machine
Incorrect size of needle for the material
Upper thread tension is too loose
Incorrect lower thread tension
Pattern selection dial not set correctly
Feed teeth are down
Lint is stuck in the feed teeth
Check the thread in shuttle, even the slightest amount of
thread inside the shuttle may cause noise or binding, use
material like tooth pick or cotton swab to clean
Upper or lower thread tension is too tight
Stitch too long for material
Thread too thick
Incorrect threading of upper or lower thread
Needle not correctly inserted
Needle bent
Needle clamp screw too loose
Upper thread tension too tight
Needle too fine for the material
Dials have been changed while the needle was down in the
material
CORRECTION
P. 12, P.16
P.53 ~ 54
Remove lint and
fluff with a
cleaning brush
P.55
P.55
P.63
P.16
P.52
P.63
P.23
P.53 ~ 54
P.65 ~ 66
P.26
P.57
P.57
P. 23, P.53 ~ 54
P.65 ~ 66
P.63
P. 16, P.13
P.55
P.56
P.55
P.23
P.63
P.65 ~ 66
If trouble is still apparent in the machine, please contact where you purchased or our web.
site (Europe only).
Do not try to correct fault by yourself.
