Yaskawa PC NC - Manual (Page 189)

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YASNAC PCNC Operating Manual Chapter 4: Maintenance
(b) Spindle zero speed signal is not input.
If the NC enters this status after the execution of “M05” command, check the I/O signals
of #1000s at the I/O section by referring to the ladder chart supplied by the machine tool
builder.
(c) Others
If the NC enters this status after the execution of “M19” or “M20” (spindle orientation
command), check the I/O signals related with spindle orientation by referring to the ladder
chart supplied by the machine tool builder.
(10)Edit Operation is Impossible
(a) The edit lock signal is input.
Check I/O monitor #3007 D2.
Normal: #3007 D2 = 0
If “#3007 D2 = 1”, program edit is impossible.
(b) Edit lock is set by the parameter (pm0000 D7).
Set “pm0000 D7 = 0” to cancel the edit lock setting.
(c) Others
The corresponding alarm message is displayed.
OVER MEM CAP !
TOO MANY PROGS !
ALREADY IN !
Delete unnecessary programs and edit the program again.
(11)Skip Function (G31) Failure
The skip signal has not been input.
• Check ON/OFF status of the skip signals by checking the I/O monitor #3514 D0 to D2.
• Check the operation of proximity switches, etc.