Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 187)

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YASNAC PCNC PLC Programming Manual Chapter 8: Online Editing
8.8.3 List of Alarm Messages
Table 8.8.3.1 List of Alarm Messages
NO START INST! An instruction that must be designated at the beginning of a ladder is not designated.
NOT CONNECTED! Line connection is incomplete.
SUBP FORMAT ERROR! Format error in the SUBP instruction.
EXECUTING An invalid function is selected during sequence execution.
DOUBLE INST ERR!
An instruction which must not be designated with another instruction is designated in
a net.
SINGLE INST ERR!
An instruction which must be designated with another instruction is designated
without other instruction in a net.
SIZE OVER! The size of sequence exceeds the allowable limit.
FILE DATA ERROR! The data input to the PC card are not the sequence file for JX.
DOUBLE LABEL! There is more than one label for JMP instruction.
INVALID NET! A net which cannot be analyzed is edited.
Message Description
BACKUP THE SEQUENCE
POGRAM After editing the sequence program, the system has been started with the system
number switch set at “0” or “A” without backing up the sequence program.
PLC CMOS ERROR The CMOS (hardware) in the JCP02 has been destroyed.
RESETTING HAS BEEN
MADE! Since the sequence data in the JCP02 have been destroyed, the contents in flash ROM
have been transferred to the CMOS.