Brother BAS-342G Service Manual page 146

9. TABLE OF ERROR CODES
Communication and memory-related errors
Code
Connection communication error with power supply motor P. C. board detected when power was turned on.
E401 Turn off the power, and then check that connector P6 on the power supply motor P.C. board and connector P17
on the main P.C. board are properly connected.
Communication error with programmer detected when power is turned on.
E402
Turn off the power, and then check that connector P7 on the main P.C. board is properly connected.
Connection error with PMD P. C. board detected when power was turned on.
E403
Turn off the power, and then check that connector P1 on the PMD P.C. board is properly connected.
Communication error with main P. C. board detected.
E410
Turn off the power, and then turn it back on again.
Communication error with power supply motor P. C. board detected.
E411
Turn off the power, and then turn it back on again.
Communication error with programmer detected.
E412
Turn off the power, and then turn it back on again.
Communication error with PMD P. C. board detected.
E413
Turn off the power, and then turn it back on again.
E420 No CF card is inserted.
Program contents are incorrect and cannot be used, or no data.
E421
Check that the CF card or floppy disk contains data with this program number.
Error occurred while reading the CF card or floppy disk.
E422
Check the data on the CF card or floppy disk.
Insufficient free space on the CF card, or data cannot be written to the floppy disk.
E424 Use a different CF card.
Check if the floppy disk is write-protected and if it has enough free space.
Error occurred while writing to the CF card or floppy disk.
E425
Use the specified type of CF card.
Check if the floppy disk is write-protected and if it has enough free space.
R/W key has not been pressed.
E426
Press the R/W key to load the data.
CF card or floppy disk does not contain any data with this program number.
E427 Check the program number.
Data that has already been loaded into internal memory can be used without having to press the R/W key again.
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 cannot be read from the machine head memory.
E450
Turn off the power and check that connector P3 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 P3 on the power supply motor P.C. board is properly
connected.
Internal memory is full and copying is not possible.
E474
Clear the sewing data.
137
Cause and remedy
BAS-342G