Troubleshooting
Operating Instructions 513/533 - 01.0 - 09/2023 115
M-309 Seam pattern 
beyond the 
sewing area
The system discovers during 
the calculation that the seam 
pattern is outside of the sewing 
area.
• Press the RESET button and 
confirm that the size of the 
seam pattern is within the 
area set in the parameters 
K056, K057, K058, and K059.
M-310 Stitch length 
outside of the 
normal range
During the calculation, the stitch 
length is outside of the normal 
range.
• Press the RESET button and 
confirm the seam pattern and 
the X/Y scale rate.
M-311 Seam 
pattern data 
communication 
abnormal
This error occurs when the 
control panel transmits seam 
pattern data to the control.
• Check the seam pattern and 
the cable connection between 
the control panel and the 
control.
M-312 Normal seam 
pattern lock 
abnormal
The control panel is unable to 
read the normal seam pattern 
lock data from the EEPROM.
• Press the RESET button to 
call up the system menu and 
restore the default setting.
M-313 Current seam 
pattern 
parameters 
abnormal
The control panel is unable to 
read the seam pattern 
parameter data from the 
EEPROM.
• Press the RESET button to 
call up the system menu and 
restore the default setting.
M-314 Parameter 
setting above 
normal range
The value set for the parameter 
exceeds the normal range.
• Press the RESET button and 
change the set value.
M-315 Counter 
abnormal
The control panel is unable to 
read the counter data from the 
EEPROM.
• Press the RESET button to 
call up the system menu and 
restore the default setting.
M-316 Counter 
exhausted
The counter has reached the 
upper limit after sewing.
• Press the RESET button.
Error Description Possible cause Troubleshooting