Mitsubishi MELSEC-A A1SCPUC24-R2, User Manual

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101
"END NOT
EXECUTE"
(Checked at
END
processing.)
24 — Stop
(1) When the
instruction was to
be executed, the
instruction was
read as other
instruction code
due to noise or the
like.
(2) The
instruction has
changed to
another instruction
code for some
reason.
Reset and run the
CPU module again. If
the same error is
displayed again, it is
the CPU hardware
error, consult
Mitsubishi
representative.
"WDT
ERROR"
25 — Stop
The instruction or
the like causes a loop
in execution of the
sequence program to
disable execution of
the
instruction.
Check the program for
an endless loop and
correct.
"UNIT
VERIFY
ERR."
31 —
Stop or
Continue
(set by
para-
meter)
I/O module data are
different from those at
power-on.
(1) The I/O module
(including the
special function
module) is
incorrectly loaded
or has been
removed, or a
different unit has
been loaded.
(1) The bit in special
registers D9116 to
D9123
corresponding to
the module
causing the
verification error is
"1." Use a
peripheral device
to monitor the
registers to locate
the "1" bit, and
check or replace
the corresponding
module.
(2) To accept the
current module
arrangement,
operate the
RUN/STOP key
switch to reset.
Table 6.2 Error Code List for A1SHCPU and A2SHCPU (Continue)
Error
Message
Error
Code
(D9008)
Detailed
Error
Code
(D9092)
CPU
States
Error and Cause Corrective Action
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