JUKI LZ-2290C-F - Page 121

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Error
code
Description of error Cause Item to be checked
E489
Normal stitch portion,
normal feed amount
error
• In the case the normal feed amount at
the normal portion exceeds the specied
feed range.
• Reset the error. Then, re-input the
data.
• Adjust the normal feed amount at
the normal portion of the pattern to a
value that falls within the limit range.
E490
Continuous sewing, cy-
cle sewing setting error
• In the case the number of stitches of 1st
step is 0 (zero) of continuous sewing
pattern.
• Reset the error. Then, re-input the
data.
E491
Cycle sewing pattern
error
• In the case the pattern used for cycle
sewing invites an error.
• Reset the error. Then, re-input the
data.
• Re-input the pattern data which has
invited the error.
E493
Condensation custom
pattern width error
• In the case the zigzag width of the con-
densation custom pattern exceeds the
max. limit.
• Reset the error. Then, re-input the
data.
• Adjust the zigzag width of the con-
densation custom pattern to a value
which falls within the max. limit.
E497
Max. zigzag width error • The set zigzag width exceeds the max.
zigzag width limit.
• Reset the error. Then, re-input the
data.
• Adjust the zigzag width to a value
that falls within the max. zigzag width
limit.
E498
Stitch baseline position
error
• In the case, though the set zigzag width
falls within the max. zigzag width limit,
the needle throwing position exceeds
the max. zigzag width limit.
• Reset the error. Then, re-input the
data.
• Adjust the stitch baseline to the posi-
tion that falls within the max. zigzag
width limit.
• In the case a condensation custom
pattern is selected, check the con-
densation position of the pattern and
correct it appropriately if necessary.
E499 Simplied program fault
E704 Data failure (system-ver-
sion mismatch)
• In the case the system version does not
match the machine head setting.
• Re-write the system version to the
applicable one.
E731 Motor hole sensor fault • In the case the motor signal is not input
properly.
• Check whether the motor signal con-
nector has loosened or slipped o󰀨.
• Check whether the motor signal cord
has broken by being caught under
the machine head.
• Check whether the insertion direction
of the motor encoder connector is
correct.
E733 Reverse rotation of mo-
tor
• When the motor runs at a speed of 500
sti/min. or more, the motor runs in the
reverse direction of the indicated direc-
tion of rotation.
• Check whether the main shaft motor
encoder wire connection is correct.
• Check whether the main shaft motor
wire connection for power is correct.
E750 Sewing machine stops • In the case the optional-input safety
switch is pressed.