
B-63945EN/02 APPENDIX A.ALARM LIST
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A.2.3 Operation Errors
Error messages that may be displayed on the PMC LADDER DIAGRAM
VIEWER screen
Alarm number Faulty location/corrective action Contents
INPUT INVALID Input a valid address or numeric value. The input address or numeric value is
invalid.
PROGRAM IS PROTECTED BY
PASSWORD
Enter the password. The screen cannot be displayed because
the program is protected by the password.
ILLEGAL SUBPROGRAM NAME Input a existent subprogram number or
symbol.
A nonexistent subprogram number or
symbol is specified.
SYMBOL UNDEFINED Input a defined symbol or bit address. An undefined symbol character string is
specified.
THE NET IS NOT FOUND The specified net is not found.
THE ADDRESS IS NOT FOUND The specified address is not found.
THE FUNCTIONAL
INSTRUCTION IS NOT FOUND
The specified functional instruction is not
found.
WRITE COIL NEEDS BIT
ADDRESS
Specify a bit address for the write coil
search.
You entered a byte address when
specifying an address used for the write
coil search.
SOME NETS ARE DISCARDED The system cannot pick up all the nets.
Choose the nets to pick up, by using
the LADDER DIAGRAM VIEWER
display screen, and then perform the
net pickup operation manually.
The system failed to pick up all the nets
because there were 128 nets or more to
be picked up.
PROGRAM IS BEING MODIFIED Disconnect the online communication
with FANUC LADDER-III. Stop other
applications from accessing the ladder
data.
The ladder data cannot be displayed
because online communication with
FANUC LADDER-III is in progress or
another application is accessing the ladder
data.
THIS FUNCTION IS
PROTECTED
Cancel the protection by the
programmer protection function or
8-level protection function.
This function is protected by the
programmer protection function or 8-level
protection function.