Table Of Error Codes - Brother LK3-B434E MKII Instruction Manual

15. TABLE OF ERROR CODES

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from
the wall outlet before opening the face plate of the control box. Touching areas where high volt-
ages are present can result in severe injury.
If a malfunction should occur with the sewing machine, a buzzer will sound and an error code will appear in
the display window. Follow the remedy procedure to eliminate the cause of the problem.
Code
E-10 Emergency stop switch was pressed.
Emergency stop switch was pressed
E-11
during sewing.
Emergency stop switch is being
continually pressed, or emergency switch
E-12
connection error.
Machine specification select connector is
E-13
not connected properly.
Problem with machine motor stopping, or
E-20
synchronizer connection error.
E-21 Machine motor operation error.
Data is outside possible sewing area due
E-30
to enlargement ratio setting.
Stitch pattern data overlaps the sewing
E-31
area when area limiting is active.
The data format of the user program (% or
E-32 mm) does not match the setting of DIP
switch A-6.
E-40 Length of a stitch exceeds 10 mm.
E-41 Abnormality in the sewing data.
E-42 Invalid program number specified.
Needle bar does not stop when the needle
E-50
is raised.
E-60 Presser has not been lowered.
E-61 Presser cannot be raised.
E-62 Presser is not raised.
E-63 Presser cannot be lowered.
E-70 Cooling fan does not operate.
DANGER
Cause
LK3-B434E Mark II
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 BOBBIN.
WIND switch to repeat the sewing.
Turn off the power and check.
Turn off the power and check if connectors P3 is
disconnected.
Turn off the power, and then turn the machine
pulley to check if the machine has locked up. Check
the synchronizer connection. Check if connectors
P11, P12 and P13 are disconnected.
Turn off the power and check the ground wire
connection.
Press the RESET switch, and then set the
enlargement ratio again.
Press the RESET switch, and then reset the memory
switches "30" and "31" or enlargement ratio.
After changing the setting of DIP switch A-6, clear
all memory settings. (Refer to "10-14. Clearing all
memory settings".)
Press the RESET switch, and then set the
enlargement ratio again.
If programming a new sewing data, repeat the
procedure from the beginning.
Press the RESET switch and specify a correct
number.
Turn the pulley to align the index mark with the
needle up stop position. (Refer to "10-10. Adjusting
the needle up stop position".) Check the V-belt
tension. (Refer to "3-15. Installing the V-belt".)
Refer to "17. Troubleshooting".
Turn off the power and check the connection of
presser sensor connector P1.
Turn off the power, and then check if the cooling
fan is blocked with scraps of thread.
15. TABLE OF ERROR CODES
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