Troubleshooting
116 Operating Instructions 513/533 - 01.0 - 09/2023
M-317 Communication
error between
main PCB and
control panel
The communication between
the main PCB and the control
panel is non-existent or faulty.
• Switch off the machine and
switch it back on after waiting
for a while.
• Check the communication
cable, the main PCB and the
control panel.
M-318 The memory
space for
external seam
patterns is full
While importing seam patterns
to the control panel via USB,
the system discovers that the
memory is full.
• Export the internal seam
patterns first before deleting
them and import the seam
patterns again afterwards.
M-319 External seam
pattern format
abnormal
The seam pattern data is
classified as abnormal when
their format data is read by
the control panel.
• Call up the parameter import/
export mode of the system
and delete such seam
patterns.
M-320 Imported seam
pattern already
exists
While importing seam patterns
from a USB key, the system
finds that a seam pattern with
the seam number already exists
on the control panel.
• Change the number of the
seam pattern on the USB key.
M-321 Imported seam
patterns not
found
While importing seam patterns
from a USB key, the system is
unable to find the seam pattern
to be imported.
• Select patterns that are found
on the USB key.
M-322 Error while
deleting seam
patterns
While deleting the external
seam pattern, the system
discovers that the pattern does
not exist.
• Select an existing seam
pattern for deletion.
M-323 Error while
reading seam
patterns
A problem has occurred while
reading seam pattern data from
the external memory area.
• Please select other seam
patterns.
M-324 USB read error USB key not found. • Plug in the USB key again.
M-325 The size of the
imported seam
pattern is too
large
While importing seam patterns,
the control panel detects that
the imported seam pattern
exceeds the size limit.
• Make sure the imported seam
pattern is within the
permissible size range.
Error Description Possible cause Troubleshooting
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