Mitsubishi Electric MELSEC A Series User Manual page 131

Table 6.3 Error Code List for AnUCPU (Continue)
Error
Error
Code
Massage
(D9008)
"CHK 14
FORMAT
ERR"
(Checked
at
STOP/PAU
SE →
RUN.)
Detailed
Error CPU
Code States
(D9091)
148 STOP (1) Multiple check
(2) There are 7 or more
(3) The check condition
(4) The check pattern
118
Error and Cause
pattern circuits of
the -
LEDA CHK
LEDA CHKEND
instructions are
given.
check condition
circuits in the
-
LEDA CHK
LEDA CHKEND
instructions.
circuits in the
-
LEDA CHK
instr
LEDA CHKEND
uctions are written
without using X and
Y contact
instructions or
compare
instructions.
circuits of the
-
LEDA CHK
instr
LEDA CHKEND
uctions are written
with 257 or more
steps.
Corrective Action
Check the program of
the
CHK instruction and
correct it referring to
contents of detailed
error codes.