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