Brother BAS-611 Owner's Manual | Page 66

Brother Misc Electronics Owner's Manual - BAS-611.
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LK3-B434E Mark II

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.

15. TABLE OF ERROR CODES

 DANGER

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.

15. TABLE OF ERROR CODES

Turn off the power and check.

Emergency stop switch is being 
continually pressed, or emergency switch 
connection error.

E-12

Machine motor operation error.

E-13

E-20

E-21

E-30

E-32

E-31

E-40

E-41

E-42

E-50

E-60

E-61

E-62

E-63

E-70

Machine specification select connector is 
not connected properly.

Problem with machine motor stopping, or 
synchronizer connection error.

Data is outside possible sewing area due 
to enlargement ratio setting.

The data format of the user program (% or 
mm) does not match the setting of DIP 
switch A-6.

After changing the setting of DIP switch A-6, clear 
all memory settings. (Refer to “10-14. Clearing all 
memory settings”.)

Stitch pattern data overlaps the sewing 
area when area limiting is active.

Length of a stitch exceeds 10 mm.

Abnormality in the sewing data.

Invalid program number specified.

Needle bar does not stop when the needle 
is raised.

Presser has not been lowered.

Presser cannot be raised.

Presser is not raised.

Presser cannot be lowered.

Cooling fan does not operate.

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.

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.

E-10

E-11

Cause

Emergency stop switch was pressed.

Emergency stop switch was pressed 
during sewing.

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.

Code

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