42
Problem Cause Solution Page
Motor abnormal-
ities
• Noise is heard.
• Motor does not turn at all.
• Sparks are abnormally large.
• Replace the carbon brush with a new
one.
(Note) Contact your distributor to ask
for the replacement of the carbon
brush.
--
Needle eye-
let cannot be
threaded
• The “
” marking on the side of the front cov-
er is not aligned with the “ ” marking on the
handwheel.
• Turn the handwheel to align the “ ”
marking on it with the “ ” marking on
the side of the front cover.
27,28
Upper and lower
loopers cannot
be threaded
• When the handwheel is not xed.
• When the thread is not inserted into the bot-
tom of the threading hole.
• When the thread is not slacked before the
threading hole.
• When the thread is caught somewhere in the
thread path.
• When the pipe is clogged with lint.
• Raise the threading changeover lever
and turn the handwheel to x it.
• Insert the thread into the threading hole
by 1 to 2 cm.
• Slack the thread before the threading
hole.
• Remove the thread from the location
where it has been caught.
• Thread the loopers by means of the
looper threader supplied in the acces-
sory bag to remove the lint in the pipe.
25,26
25,26
25,26
--
29
Trouble shooting guide
To Next Page
Loading...
