
4. REFERENCE POSITION ESTABLISHMENT
B–63173EN–1/01
182
Number Message Description
090 REFERENCE RETURN
INCOMPLETE
The reference position return cannot
be performed normally because the ref-
erence position return start point is too
close to the reference position or the
speed is too slow. Separate the start
point far enough from the reference
position, or specify a sufficiently fast
speed for reference position return.
Check the program contents.
091 REFERENCE RETURN
INCOMPLETE
Manual reference position return can-
not be performed in the feed hold state.
Perform a manual reference position
return in the automatic operation stop
state or reset state.
224 RETURN TO
REFERENCE POINT
Not returned to reference position before
cycle start. (Only when parameter ZRNx
(No. 1005#0) =0).
Do reference position return.
NOTE
P/S alarm No. 090 is issued when G28 is specified if the
reference position has not yet be established.
Alarm and message
Note