
6. LADDER DIAGRAM MONITOR
AND EDITOR
B–61863E/15
PMC–NB6 MANIPULATION
736
Error message Meaning and solution
LADDER PRO-
GRAM IS BRO-
KEN.
Meaning:
LADDER program may be broken by some reason.
Solution:
This LADDER program must be all cleared once, and
remake LADDER program.
LBL FOR JMPB
NOT FOUND.
Meaning:
Can not find proper LBL for JMPB.
Solution:
If JMPB is unnecessary, remove it. If LBL is missing,
add it in proper position.
LBL FOR JMPC IN
BAD LEVEL
Meaning:
Destination of JMPC is not level 2.
Solution:
JMPC is used to jump from a subprogram to level 2.
If the JMPC is unnecessary, remove it. If another LBL
of same L–address that the JMPC is intended to jump
exists in the subprogram, assign different L–address
to these two LBLs. If it should be JMPB or JMP, cor-
rect it.
LBL FOR JMPC
NOT FOUND.
Meaning:
Can not find proper LBL for JMPC.
Solution:
If JMPC is unnecessary, remove it. If LBL is missing,
add it in proper position: JMPC jumps into level 2. If it
should be JMPB or JMP, correct it.
MISSING COME
FOR THIS COM.
Meaning:
There is no COME that corresponds to this COM.
Solution:
If COME is missing, add it in proper position. If COM
is unnecessary, remove it.
MISSING JMPE
FOR THIS JMP.
Meaning:
There is no JMPE that corresponds to this JMP.
Solution:
If JMPE is missing, add it in proper position. If JMP is
unnecessary, remove it.
MISSING SPE
FOR THIS SP.
Meaning:
There is no SPE that corresponds to this SP.
Solution:
If SPE is missing, add it in proper position. If SP is
unnecessary, remove it.
NO END.
NO END1.
NO END2.
NO END3.
Meaning:
END, END1, END2, or END3 is not found.
Solution:
Add END, END1, END2, or END3 in proper position.
NO SUCH SUB-
PROGRAM.
Meaning:
Subprogram that is called by CALL/CALLU is not
found.
Solution:
If it calls wrong subprogram, correct it. If the subpro-
gram is missing, create it.