Brother BE-438C Instruction Manual page 61

Code
Home position cannot be detected (malfunction
E-A0 of home position sensor), or malfunction of power
supply circuit board.
You tried to change the program number when
E-b0
DIP switch A-8 was set to ON.
Heat sink of control circuit board is abnormally
E-d0
hot.
Malfunction of EEPROM (malfunction of main
E-E0
circuit board).
Corrupted EEPROM data, or main PROM version
E-E1
has been upgraded.
E-E2 Corrupted EEPROM control information data.
Solenoid or feed motor short-circuit (malfunction
of main circuit board), or power relay is not
E-F0
operating (malfunction of power supply circuit
board).
Bad connection in cable between power supply
E-F1
circuit board and main circuit board.
Abnormal current detected in power supply circuit
E-F2
board.
<Errors generated when optional equipment is connected>
Code
E-10 Emergency stop switch was pressed.
Emergency stop switch was pressed during
E-11
sewing.
Emergency stop switch is being continually
E-12
pressed, or emergency switch connection error.
E-14 Thread breakage detected.
REFERENCE segment LED alphabet
Panel display
Text display
Cause
Cause
A b c
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.
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.
Press the RESET switch to reset the error. However, the data
(memory switches, display and user programs) will all be
initialized.
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.
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.
d E F
BE-438C
14. TABLE OF ERROR CODES
Remedy
Remedy
6 H L o
55