Mitsubishi MELSEC-A A1SCPUC24-R2, User Manual

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Table 6.3 Error Code List for A2ASCPU(S1/S30) and A2USHCPU-S1 (Continue)
Error
Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause Corrective Action
"OPE
CIRCUIT
ERROR"
(Checked at
power on.)
21
211
STOP
The operation circuit for
index qualification in the
CPU does not work
correctly.
Since this is CPU
hardware error,
consult Mitsubishi
representative.
212
Hardware (logic) in the
CPU does not operate
correctly.
213
The operation circuit for
sequential processing in
the CPU does not operate
correctly.
"OPE.
CIRCUIT
ERR."
(Checked at
execution of
the END
instruction)
214
In the END processing
check, the operation
circuit for index
qualification in the CPU
does not work correctly.
215
In the END processing
check, the hardware in the
CPU does not operate
correctly.
"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
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.
CJ