– 90 –
Machine lock error
The main shaft of the sewing machine
Turn OFF the power switch and remove
does not rotate due to some troubles.
the cause of troubles.
Pattern No. error
Back-up pattern No. has not been registered
Press the reset switch and check the pattern No.
in the data ROM, or it is set to readout
Check the contents of memory switch No. 201.
inoperative.
Pattern No. is set at “0”.
Needle bar UP position
Needle bar is out of the needle UP position. Turn the hand pulley to return the needle
error
bar to its UP position.
Sewing area over
The sewing area is beyond the limit.
Press the reset switch and check the
This error is output when
pattern and X/Y scale rate.
max. sewing area, 30 x 40
is over. Interference of the
work clamp foot with needle
is not protected
Enlargement error
The sewing pitch is beyond 10mm.
Press the reset switch and check the
pattern and X/Y scale rate.
Pattern data error
The pattern data cannot be adopted.
Turn OFF the power switch and check the
data ROM.
Temporary stop
Temporary stop by operating the reset switch
Re-start or return-to-origin after thread
while the sewing machnine is running.
trimming by means of the reset switch (For
(Refer to memory switch No. 31.)
the details, refer to the item “Using the
temporary stop function”, P.29.)
Notice for the grease
Indicates that it is the time to replenish
Replenish the grease to the specified part
9. Refer to Maintenance
replacement time
grease to the specified parts.
and set the memory switch No. 245 at [0]
(5) “Replenishment of
with the reset key. If the grease cannot be
grease-up procedures for the
fed soon in the middle of sewing work, the
specified position.”
error can be canceled by means of the reset key.
Grease replenishment alarm
The sewing machine stopped due to the
Replenish the grease immediately and set
9. Refer to Maintenance
error
expiration of grease replenishment time to
the memory switch No. 245 at [0] with the
(5) “Replenishment of
the specified parts.
reset key.
grease-up procedures for the
specified position.”
Head tilt error
Head tilt detection switch is turned ON.
The sewing machine cannot be operated
withe the head tilted.
Return the sewing machine head to its
proper position.
Indication
Name of error
Description of error
Corrective measure
Remarks
10. Table of errors
Summary of Contents for LK-1900A
Page 20: ... 16 10 Hook adjustment Standard Adjustment 0mm 0mm 7 5mm 0 05 0 1mm For DPX5 For DPX17 ...
Page 90: ... 86 Grease Grease Grease Grease Grease 8 Needle thread clamp mechanism area ...
Page 91: ... 87 Grease Grease A Grease Grease Grease Grease 9 LK 1901A relations ...
Page 92: ... 88 10 LK 1903A relations Grease Grease ...
Page 114: ... 111 12 Circuit diagrams 1 Block diagram A ...
Page 115: ... 112 2 Power supply circuit diagram A ...
Page 116: ... 113 3 Power supply circuit diagram B ...
Page 117: ... 114 4 Power supply circuit diagram C ...
Page 118: ... 115 5 Servo motor circuit diagram ...
Page 119: ... 116 6 Sensor pedal VR circuit diagram ...
Page 120: ... 117 7 MAIN PANEL board circuit diagram ...
Page 121: ... 118 8 Motor solenoid circuit diagram Thread trimmer Lifting the work clamp foot motor ...