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Bad condition Cause Remedy
Ref. Page
& Item
Work holder activate cable is
disconnected
Connect the cable precisely
Control
unit
Work holder pressure is not
strong enough
Increase work holder pressure 7-9-1
10.
Work holder
does not work
Work holder switch is out of
order
Change it new work holder switch ----
Work holder pressure is not
strong enough
Increase work holder pressure 7-9-1
Slow down sewing speed 6-2(4)
Slow down feeding speed
Control
unit
Sewing material weight is very
heavy
Select sewing material weight level
at feeding
Control
unit
11.
Sewing pattern
is distorted
X-Y timing belts are loose
Adjust X-Y timing belt tension
properly
7-21
X-Y detector cabled are
disconnected
Connect X-Y cables precisely ----
X-Y detectors are out o order
(Red pilot lamps do not go on
at home position)
Change them new detectors
(Make sure red pilot lamps go on at
home position)
----
12.
Work holder
does not stop
at home
position
Detector and detector plate
clearance is too big
Adjust the clearance properly 7-19
Detector or detector plate
mounting is loose
Check setscrews and tighten them
securely
7-19
Detector and detector plate
clearance is bigger than
standard
Adjust detector and detector plate
clearance properly
7-19
13.
Work holder
stops at not
original home
position
Home position correction
function is in working
Cancel home position correction
function
Control
unit
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