JUKI LZ-2290A-SS-7 User Manual

− 142 −
15. Display is different from the feed display
of operation panel value even when the
reverse feed control lever is operated.
16. “Snap”, sound of needle bend, occurs or
needle is apt to be broken.
17. Feed amount input value on the
operation panel is different from the actual
sewing value.
18. Shape of custom pattern on the operation
panel is different from the actual sewing
value.
15-1) Position of the reverse feed control lever
sensor is improper.
15-2) Reverse feed control lever return spring
is disconnected.
16-1) Feed timing in terms of standard timing
is changed.
17-1) The value is changed from the value at
the time of delivery from the factory.
18-1) The state is changed from that at the
time of delivery from the factory.
18-2) The pattern is a pattern that frequently
performs normal/reverse feed stitching
repetition motion.
1-A) Height of feed dog is too high.
1-B) Feed timing in terms of standard timing
is changed.
Perform adjustment of the position of reverse feed control lever sensor.
Refer to 4-(6)-11) Adjusting the reverse feed control lever sensor.
Install the reverse feed control lever return spring.
Refer to 4-(6)-11) Adjusting the reverse feed control lever sensor.
Lower the height of feed dog. (Return the mechanical adjustment value to the standard.)
Refer to 3-(1) Height and inclination of the feed dog.
Change the feed timing on the operation panel.
Adjust the feed timing. (Return the mechanical adjustment value to the standard.) Refer to 3-
(2)-2) Adjusting the feed timing.
Change the feed timing on the operation panel.
Return to the standard state or compensate and input the panel input value adjusting to the
actual sewing.
(Actual sewing may differ from the input value due to shape of gauge, height of feed dog,
presser pressure, slide characteristic of material, etc.)
Compensate and input the panel input value adjusting to the actual sewing. (Actual sewing
may differ from the input value due to shape of gauge, height of feed dog, presser pressure,
slide characteristic of material, etc.)
Compensate and input the panel input value adjusting to the actual sewing and decrease the
sewing speed. (Standard : up to max. 2,500 rpm)
(In case of the shape that frequently performs normal/reverse feed repetition motion, as the
sewing speed is increased, motion-loss is increased, and the pattern shape may be broken.
LZ-2290A-SR (Quick reverse type only)
Trouble Ca1use 1 Cause 2 Corrective measure and adjusting procedure

JUKI LZ-2290A-SS-7 Specifications

General

Brand	JUKI
Model	LZ-2290A-SS-7
Category	Sewing Machine
Language	English