JUKI LK-1942ZA5050, Инструкция и список запасных частей

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3.
List of error codes for the sewing machine
Error indi
-
cation
Name of error
Description
Corrective measure
Remarks
Pattern No. error
The specified pattern No. has not been registered in the data ROM.
Check the pattern No.
The service pattern is reg
-
istered in SYSTEM ROM.
Enlargement error Pattern reading error
• The sewing pitc
h is beyond 10
mm.
• Data ROM which is used is dif
ferent
from setting of DIP
switch.
• Check the scale rate and sewin
g pitch.
• Make sure of setting of SW1-1.
If the setting of SW1-1 is dif
ferent from Data ROM,
readin
g becomes unstable
.
Needle bar upper position error
The needle bar is shifted from the upper position.
Turn the hand pulley
, and return the needle bar to the upper position.
Sewing area over
The sewing area is beyond the limit.
Press the reset switch and check the pattern and scale rate.
Stop on the way
Stop on the way while the sewing ma
-
chine is running.
• Re-sewing by retreat of the feed → start • Thread trimming action using th
e temporary stop switch or rese
t
• Return-to-origin
action by reset after thread trimming action
Safety switch error
Safety switch is turned OFF
. (When the
sewing
m
achine
head
is
tilt
ed
or
the
lik
e.
)
• T
urn OFF the power switch and
raise the machine head.
• Check the safety switch.
Machine lock error Abnormal
volt
age
err
or
The main shaft of the sewing machine does not rotate due to some troubles.
• T
urn OFF the power switch, an
d remove the cause of trouble.
• Check the power source voltag
e.
Pattern data error
The pattern data reading from the data ROM cannot be made.
• T
urn OFF the power switch and
remove the cause.
• Check the mounting of EEP-ROM (contact failure, direction of m
ounting,
etc.).
• Check the setting of SW1-1.
If the setting of SW1-1 is dif
ferent from Data ROM,
readin
g becomes unstable
.
Needle thread break
-
age detection error
The needle thread has been broken during sewing.
• Retreat of the f
eed after thread
ing and re-sewing
• Return-to-origin
action by reset
PGM-7 communication error
Communication with the PGM-7 cannot be performed due to some troubles.
Turn OFF the power switch and remove the cause. (Contact failure, discon
-
nection of cord, or trouble of circuit board is considered.)
Air pressure drop error
The air pressure is dropped.
Turn OFF the power switch, and check the air pressure.
Memory write-in error
The data writing to the memory for the back-up cannot be made.
• T
urn OFF the power switch.
• Defective memory (Replace the
MAIN circuit board.)
Time-out error
MAIN circuit board is uncontrollable due to some troubles.
• T
urn OFF the power switch.
• Defective MAIN circuit board (R
eplace the MAIN circuit board.)
Overheat error
Temperature in the control box is abnor
-
mally high.
Turn OFF the power switch, and check whether the fan filter is clogged, and the power source voltage.
Turn ON the power after the temperature has
dropped properly
.