Brother Z-8550A Service Manual page 124

15. ERROR CODES
<Communication and memory-related errors>
Code
Communication error with motor CPU was detected when the power was turned on. Turn off the power switch
Err 401
and then turn the power back on again.
Connection error with needle zigzag PMD P.C. board detected when power was turned on. Turn off the power
Err 403 switch, and then check that connector P1 on the PMD P.C. board and connector P31 on the main P.C. board
are properly connected.
Communication error with motor CPU detected. Turn off the power switch and then turn the power back on
Err 411
again.
Communication error with needle zigzag PMD P.C. board detected. Turn off the power switch and then turn the
Err 413
power back on again.
Err 420 No CF card is inserted.
Program number on CF is invalid, or no data exists.
Err 421
Change program No.
Error occurred while reading CF card.
Err 422
Check the data on the CF card.
Err 424 Insufficient free space on CF card. Use a different CF card.
Error occurred while writing to CF card.
Err 425
Use the specified type of CF card.
Err 427 R/W key unneeded error
Problem with flash ROM data on main P.C. board.
Err 430
Turn off the power switch and then turn the power back on again.
Data cannot be backed up to EEPROM.
Err 440
Turn off the power switch and then turn the power back on again.
Data cannot be read from EEPROM.
Err 441
Turn off the power switch and then turn the power back on again.
Incorrect data initialized into EEPROM.
Err 442
Turn off the power switch and then turn the power back on again.
Problem with data in machine head memory. (Model selection cannot be read.)
Err 450
Turn off the power switch and then turn the power back on again.
Machine head memory is not connected.
Err 452
Turn off the power switch and then turn the power back on again.
Err 474 Internal memory is full and copying is not possible.
<Data editing-related errors>
Code
Problem with sewing data. (Invalid code in sewing data.)
Err 510
For additional data, re-read the data from the CF card.
Err 512 Number of stitches exceeds allowed maximum.
115
Cause and remedy
Cause and remedy
Z-8550A, 8560A