Brother KE-430FX Instruction Manual page 83

Communication and memory-related errors
Code
Communication error detected between the main P.C. board and the panel P.C. board when the power was
turned on.
E400
Turn off the power, and then check that connector P1 on the panel P.C. board and connector P3 on the motor
P.C. board are properly connected.
Communication error detected between the main P.C. board and the motor P.C. board when the power was
turned on.
E401
Turn off the power, and then check that connector P5 on the main P.C. board and connector P2 on the motor P.C.
board are properly connected.
Communication error between main P.C. board and panel P.C. board detected.
E410
Turn off the power, and then turn it back on again.
Communication error between main P.C. board and motor P.C. board detected.
E411
Turn off the power, and then turn it back on again.
No media is inserted.
E420
Press the RESET key to clear the error.
Data contents are incorrect and cannot be used, or no data.
E421 Press the RESET key to clear the error.
Check that data for this pattern number is present in the media.
Error occurred while reading from media.
E422 Press the RESET key to clear the error.
Check the data in the media.
Insufficient space in media.
E424 Press the RESET key to clear the error.
Use different media.
Error occurred while reading from media.
Press the RESET key to clear the error.
E425
Use the specified type of media.
Check if the media is write-protected and if it has enough free space.
A pattern registered in a cycle program has been erased.
E427 Press the RESET key to clear the error.
Re-register the cycle program, or add the pattern.
A pattern registered in a program has been erased.
E428 Press the RESET key to clear the error.
Re-register the program, or add the pattern.
Data cannot be backed up to main P.C. board.
E430
Turn off the power, and then turn it back on again.
Data memory error on main P.C. board.
E440
Turn off the power, and then turn it back on again.
Model selection has not been loaded from the machine head memory.
E450
Turn off the power and check that connector P16 on the power supply motor P.C. board is properly connected.
Data cannot be backed up to machine head memory.
E451
Turn off the power, and then turn it back on again.
Machine head memory is not connected.
E452
Turn off the power, and then check that connector P16 on the main P.C. board is properly connected.
Internal memory is full and copying is not possible.
E474 Press the RESET key to clear the error.
Clear any unnecessary additional patterns.
Cause and remedy
KE-430FX/KE-430FS, BE-438FX
10. TABLE OF ERROR CODES
74