
APPENDIXG. ALARM LIST
B–63014EN/02
998
6) Over travel alarms
Number Message Contents
500 OVER TRAVEL : +n Exceeded the n–th axis (axis 1 to 8) + side stored stroke limit I.
(Parameter No.1320 or 1326 NOTE)
501 OVER TRAVEL : –n Exceeded the n–th axis (axis 1 to 8) – side stored stroke limit I.
(Parameter No.1321 or 1327 NOTE)
502 OVER TRAVEL : +n Exceeded the n–th axis (axis 1 to 8) + side stored stroke limit II.
(Parameter No.1322 )
503 OVER TRAVEL : –n Exceeded the n–th axis (axis 1 to 8) – side stored stroke limit II.
(Parameter No.1323)
504 OVER TRAVEL : +n Exceeded the n–th axis (axis 1 to 8) – side stored stroke limit III.
(Parameter No.1324)
505 OVER TRAVEL : –n Exceeded the n–th axis (axis 1 to 8) – side stored stroke limit III.
(Parameter No.1325)
506 OVER TRAVEL : +n Exceeded the n–th axis (axis 1 to 8) + side hardware OT.
507 OVER TRAVEL : –n Exceeded the n–th axis (axis 1 to 8) – side hardware OT.
510 OVER TRAVEL : +n A stroke limit check, made before starting movement, found that the end
point of a block falls within the plus (+) side inhibited area along the n–
axis defined by a stroke limit. Correct the program.
511 OVER TRAVEL : –n A stroke limit check, made before starting movement, found that the end
point of a block falls within the minus (–) side inhibited area along the
N–axis defined by a stroke limit. Correct the program.
NOTE
Parameters 1326 and 1327 are effective when EXLM (stroke limit switch signal) is on.
7) Overheat alarms
Number Message Contents
700 OVERHEAT: CONTROL UNIT Control unit overheat
Check that the fan motor operates normally, and clean the air filter.
701 OVERHEAT: FAN MOTOR The fan motor on the top of the cabinet for the contorl unit is overheated.
Check the operation of the fan motor and replace the motor if necessary.
704 OVERHEAT: SPINDLE Spindle overheat in the spindle fluctuation detection
1) If the cutting load is heavy, relieve the cutting condition.
2) Check whether the cutting tool is share.
3) Another posible cause is a faulty spindle amp.
8) Rigid tapping alarm
Number Message Contents
740 RIGID TAP ALARM : EXCESS
ERROR
During rigid tapping, the position deviation of the spindle in the stop
state exceeded the setting.
741 RIGID TAP ALARM : EXCESS
ERROR
During rigid tapping, the position deviation of the spindle in the stop
state exceeded the setting.
742 RIGID TAP ALARM : LSI OVER
FLOW
During rigid tapping, an LSI overflow occurred on the spindle side.