FANUC Series 16/18/160/180-Model C for Lathe Operator Manual

APPENDIX
B–62754EN/01
G. ALARM LIST
769
6) Over travel alarms
Number Message Contents
500 OVER TRAVEL : +n Exceeded the n–th axis (axis 1–8) + side stored stroke limit I.
(Parameter No.1320 or 1326 Notes)
501 OVER TRAVEL : –n Exceeded the n–th axis (axis 1–8) – side stored stroke limit I.
(Parameter No.1321 or 1327 Notes)
502 OVER TRAVEL : +n Exceeded the n–th axis (axis 1–8) + side stored stroke limit II.
(Parameter No.1322 )
503 OVER TRAVEL : –n Exceeded the n–th axis (axis 1–8) – side stored stroke limit II.
(Parameter No.1323)
504 OVER TRAVEL : +n Exceeded the n–th axis (axis 1–8) + side stored stroke limit III.
(Parameter No.1324 )
505 OVER TRAVEL : –n Exceeded the n–th axis (axis 1–8) – side stored stroke limit III.
(Parameter No.1325 )
506 OVER TRAVEL : +n Exceeded the n–th axis (axis 1–8) + side hardware OT.
507 OVER TRAVEL : –n Exceeded the n–th axis (axis 1–8) – side hardware OT.
508 INTERFERENCE : +n When n–axis is moving in the positive direction, it interferes with the
order tool post (only with two–path control)
509 INTERFERENCE : –n When n–axis is moving in the negative direction, it interferes with the
order tool post (only with two–path control)
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
Over travel alarms No. 504 and No. 505 are provided only with the T series.
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 control unit is over-
heated. 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 possible cause is a faulty spindle amp.

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