Alarm List
Alarm Number (4000 to 4999)
Alarm List-743
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4437 LESS THAN 3 STEPS
(SPLINE)
Setting error (1)Check the following settings.
∙ Perform teaching so that spline interpolation steps are continuous
three points or more.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4438 UNDEFINED JOB Setting error (1)Check the following settings.
∙ Check if the CALL/JUMP destination job is registered. If the job is not
registered, delete the JUMP instruction where an alarm occurred.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4439 UNDEFINED LABEL Setting error (1)Check the following settings.
∙ Check if the JUMP destination label is registered. If the label is not
registered, delete the JUMP instruction where alarm occurred.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4440 UNDEFINED RETURN
JOB
Setting error (1)Check the following settings.
∙ If there is an illegal RET instruction in the start job, delete the RET
instruction.
∙ Check if RET instruction is not executed under the condition that
there is no job in the job call stack. In that case, execute it from master
(start) job.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4441 LACK OF LOCAL-
VARIABLE AREA
Setting error (1)Check the following settings.
∙ Reduce the number of local variables to be used.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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