Brother 431B Sewing Machine User Manual


 
8. ELECTRIC MECHANISM
-13. Table of error codes
DANGER
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 voltages 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.
REFERENCE segment LED alphabet
Panel display
Text display A b c d E F G H L O
[KE-430*, 431*, 432*, 433B, 434*, 435*, 484C, BE-438*]
Code Cause Remedy
E-10 Emergency stop switch was pressed.
Turn the EMERGENCY STOP switch clockwise to
release the lock, and then press the RESET switch
to reset the error.
E-11
Emergency stop switch was pressed during
sewing.
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.
E-12
Emergency stop switch is being continually
pressed, or emergency switch connection
error.
Turn off the power and check.
E-13
Machine specification select connector is not
connected properly.
Turn off the power and check if connectors P3 is
disconnected.
E-14 Thread breakage detected.
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.
E-15 Air pressure drop error.
Turn off the power and check. If drops in air
pressure are not being detected, clear all memory
settings and then set the memo-1d switch to OFF.
E-17
The foot switch was pressed or the operation
panel was used while the machine head was
tilted back, or the machine head was tilted
back while it was operating.
Turn off the power, and then return the machine
head to its original position.
E-20
Problem with machine motor stopping, or
synchronizer connection error. Or thermostat
inside sewing machine motor has operated.
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.
Check that the correct combination of motor and
PROM has been installed.
Check if the sewing machine motor has overheated.
E-21 Machine motor operation error.
Turn off the power and check the ground wire
connection.
E-30
Data is outside possible sewing area due to
enlargement ratio setting.
Press the RESET switch, and then set the
enlargement ratio again.
KE-430B, 430C series
167