Fanuc Series 15i/150i-MA (Programming) Operators Manual

F.ALARM LIST APPENDIX B-63324EN/03
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F.6 OT ALARM
Number Message Contents
OT0001 + OVERTRAVEL ( SOFT 1 ) The tool entered the prohibited area of stored stroke check
1 during movement in the positive direction.
OT0002 - OVERTRAVEL ( SOFT 1 ) The tool entered the prohibited area of stored stroke check
1 during movement in the negative direction.
OT0003 + OVERTRAVEL ( SOFT 2 ) The tool entered the prohibited area of stored stroke check
2 during movement in the positive direction.
OT0004 - OVERTRAVEL ( SOFT 2 ) The tool entered the prohibited area of stored stroke check
1 during movement in the negative direction.
OT0007 + OVERTRAVEL ( HARD ) The stroke limit switch in the positive direction was
triggered.
This alarm is generated when the machine reaches the
stroke end.
When this alarm is not generated, feed of all axes is
stopped during automatic operation.
During manual operation, only the feed of the axis on which
the alarm occurred is stopped.
OT0008 - OVERTRAVEL ( HARD ) The stroke limit switch in the negative direction was
triggered.
This alarm is generated when the machine reaches the
stroke end.
When this alarm is not generated, feed of all axes is
stopped during automatic operation.
During manual operation, only the feed of the axis on which
the alarm occurred is stopped.
OT0021 + OVERTRAVEL ( PRE-CHECK ) The tool exceeded the limit in the negative direction during
the stroke check before movement.
OT0022 - OVERTRAVEL ( PRE-CHECK ) The tool exceeded the limit in the positive direction during
the stroke check before movement.
OT0030 SYNC EXCESS ERROR ALARM 1 The synchronous error amount is greater than the value set
to parameter No. 1914 by the synchronize adjust function.
OT0031 SYNCHRONIZE ADJUST MODE The system is in the synchronize adjust mode.
OT0032 NEED ZRN(ABS PCDR) The reference position and the absolute pulse coder
counter value do not match.
OT0034 BATTERY ZERO(ABS PCDR) The battery voltage of the absolute position detector has
fallen to "0", or power is supplied to the pulse coder for the
first time.
OT0035 IMPOSSIBLE ZRN(SERIAL) An attempt was made to create correspondence between
the reference position and the absolute position detector
when the origin cannot be established.
OT0036 BATTERY DOWN (ABS PCDR) Low absolute position detector battery voltage
OT0120 UNASSIGNED ADDRESS (HIGH) The upper 4 bits (EIA4 to EIA7) of an external data I/O
interface address signal are set to an undefined address
(high bits).
OT0121 UNASSIGNED ADDRESS (LOW) The lower 4 bits (EIA0 to EIA3) of an external data I/O
interface address signal are set to an undefined address
(low bits).
OT0122 TOO MANY MESSAGE Requests were made to display more than 4 external
operator messages or external alarm messages at the
same time.
OT0123 MESSAGE NUMBER NOT FOUND An external operator message or external alarm message
cannot be canceled as no message No. is specified.
OT0124 OUTPUT REQUEST ERROR An output request was issued during external data output,
or an output request was issued for an address that has no
output data.
OT0125 TOO LARGE NUMBER A numerical value outside the range 0 to 4095 was
specified as the No. for the external operator message or
an external alarm message.

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