Owner's Manual

50
LK3-B438E Mark II
E-10
E-11
E-12
E-14
Cause
Emergency stop switch was pressed.
Emergency stop switch was pressed
during sewing.
Emergency stop switch is being
continually pressed, or emergency switch
connection error.
Thread breakage detected.
Remedy
Turn the EMERGENCY STOP switch clockwise to
release the lock, and then press the RESET switch
to reset the error.
Turn the EMERGENCY STOP switch clockwise to
release the lock, and then press the RESET switch
to reset the error. You can then press the STEP
BACK switch to repeat the sewing.
Turn off the power and check.
Turn the EMERGENCY STOP switch clockwise to
release the lock, and then press the RESET switch
to reset the error. You can then press the STEP
BACK switch to repeat the sewing.
Code
E-E2
Corrupted EEPROM control information
data.
Press the RESET switch to reset the error. However,
the data (memory switches, display and user
programs) will all be initialized.
E-A0
E-b0
E-d0
E-E0
E-F0
E-F1
E-F2
E-E1
Cause
Home position cannot be detected
(malfunction of home position sensor), or
malfunction of power supply circuit board.
You tried to change the program number
when DIP switch A-8 was set to ON.
Heat sink of control circuit board is
abnormally hot.
Malfunction of EEPROM (malfunction of
main circuit board).
Solenoid short-circuit (malfunction of
main circuit board), or power relay is not
operating (malfunction of power supply
circuit board).
Bad connection in cable between power
supply circuit board and main circuit
board.
Abnormal current detected in power
supply circuit board.
Corrupted EEPROM data, or main PROM
version has been upgraded.
Remedy
Turn off the power and check the connection of
home position sensor connector P1.
Press the RESET switch.
Set DIP switch A-8 to OFF before trying to change
the program number.
Turn off the power and clean the air intake port of
the box.
Turn off the power, and turn it back on. If the error
continually occurs, contact a qualified service
technician.
Turn off the power and contact a qualified service
technician.
Turn off the power and check if connectors P16 is
disconnected.
Turn off the power and contact a qualified service
technician.
Press the RESET switch to reset the error. However,
the data (memory switches, display and user
programs) will be reset to the backup data or
initialized.
Code
Panel display
Text display A b c d E F 6 H L o
REFERENCE segment LED alphabet
14. TABLE OF ERROR CODES
■ Errors generated when optional equipment is connected