Brother BAS-311H E401, E410, E411, E412, E420, E421, E422, E424, E425, E427, E430, E440, E450, E452, E453, E474, 11. LIST OF ERROR CODES

11. LIST OF ERROR CODES

Communication and memory-related errors

Code	Cause of error and remedy
	Communication error detected between the main P.C. board and the motor P.C. board when the power was
E401	turned on.
	Turn off the power, and then check that connector P1 on the panel P.C. board, connector P5 on the main P.C.
	board and connectors P2 and P3 on the motor P.C. board are properly inserted.
	Communication error detected between the main P.C. board and the panel P.C. board.
E410	Turn off the power, and then turn it back on again. Turn off the power, and then check that connector P1 on the
	panel P.C. board, connector P5 on the main P.C. board and connectors P2 and P3 on the motor P.C. board are
	properly inserted.
	Communication error detected between the main P.C. board and the motor P.C. board.
E411	Turn off the power, and then turn it back on again. Turn off the power, and then check that connector P1 on the
	panel P.C. board, connector P5 on the main P.C. board and connectors P2 and P3 on the motor P.C. board are
	properly inserted.
E412	Communication error detected between the panel and the programmer.
	Turn off the power, and then turn it back on again.
E420	No SD card is inserted.
	Press the RESET key to clear the error.
	Insert an SD card and then try again.
E421	The program number is invalid or it has no corresponding data.
	Press the RESET key to clear the error.
	Check that data for this program number is present on the SD card.
	An error occurred while reading from the SD card.
E422	Check the data.
	When reading 311G user programs, first read the sewing data.
	Press the RESET key to clear the error.
	Check the data on the SD card.
E424	Insufficient free space on the SD card.
	Press the RESET key to clear the error. Use a different SD card.
	An error occurred while writing to the SD card.
E425	Check the SD card. The card may be write-protected.
	Press the RESET key to clear the error.
	Use the specified type of SD card.
E427	The program containing the specified cycle program has been cleared.
	Press the RESET key to clear the error. Redo the cycle program.
E430	Data cannot be backed up to the main P.C. board (flash memory).
	Turn off the power, and then turn it back on again.
E440	Data cannot be backed up to the main P.C. board (EEPROM).
	Turn off the power, and then turn it back on again.
E450	Model selection cannot be read from the machine head memory.
	Turn off the power, and then check that connector P16 on the main P.C. board is properly connected.
E452	Machine head memory is not connected.
	Turn off the power, and then check that connector P16 on the main P.C. board is properly connected.
E453	Problem with data in machine head memory.
	Turn off the power, and then turn it back on again.
E474	Internal memory is full and copying is not possible.
	Press the RESET key to clear the error. Clear the sewing data.

BAS-311H 74