101
Table 6.2 Error Code List for AnACPU (Continue)
Error
Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause
Corrective Action
211
The operation circuit
for index qualification in
the CPU does not work
correctly.
212
Hardware (logic) in the
CPU does not operate
correctly.
"OPE
CIRCUIT
ERROR"
(Checked
at power
on.)
21
213
STOP
The operation circuit
for sequential
processing in the CPU
does not operate
correctly.
Since this is CPU
hardware error, consult
Mitsubishi
representative.
"WDT
ERROR"
(Checked at
execution of
END
processing.)
22
STOP
Scan time is longer
than the WDT time.
(1) Scan time of the
user's program has
been extended due
to certain
conditions.
(2) Scan time has been
extended due to
momentary power
failure occurred
during scanning.
(1) Calculate and check
the scan time of user
program and reduce
the scan time using
the
CJ instruction
or the like.
(2) Monitor contents of
special register
D9005 using a
peripheral device.
If the contents are
other than 0, power
supply voltage may
not be stable.
Check power supply
and reduce variation
in voltage.
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