Bad condition Cause Remedy
Ref. Page
& Item
Slow down sewing speed 6-5
Sewing material weight is
heavy
Select sewing material weight level
at feeding
Control
unit
Slow down feeding speed
Control
unit
X-Y timing belts are loose
Adjust X-Y timing belt tension
properly
7-17
11.
Sewing pattern
is distorted
X-Y detector cabled are
disconnected
Connect X-Y cables correctly ----
X-Y detectors break down Change them new detectors ----
Detector and detector plate
clearance is too big
Adjust the clearance properly 7-16
12.
Work holder
does not stop at
home position
Detector or detector plate
mounting is loose
Check set screws and tighten
them securely
7-16
Detector and detector plate
clearance is bigger than
standard
Adjust detector and detector plate
clearance properly
7-16
13.
Work holder
stops at not
original home
position
Home position correction
function is in working
Cancel home position correction
function
Control
unit
46
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