Mitsubishi MELSEC-A series, Programming Manual

Page: 396 / 508

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ERROR CODE LIST 9.
Table 9.4 Error Code List for the AnU, A2AS and A2USH board (Continue)
Error Massage
Error
Code
(D9008)
Detailed
Error
Code
(D9091)
CPU
States
Error and Cause
"OPERATION
ERROR"
(Checked at
execution of
instruction.)
50 509 Stop or
Continue
(set by
parameter)
(1) An instruction which cannot be
executed by remote terminal
modules connected to the MNET/
MINI-S3 was executed to the
modules.
(2) Though there are 32 entries of
or instructions
registered with a instruction in
the mailbox memory area waiting
for execution), another
instruction is executed to cause an
overflow in the mail box (memory
area waiting for execution).
(3) The instruction was
executed without executing the
instruction.
The instruction was executed
without executing the or
instruction.
The program presently executed
was specified by the
instruction.
(4) The number of CC-Link dedicated
command executed in one scan
exceeded 10.
(1) Read the error step using a
peripheral device and correct the
program, meeting loaded conditions
of remote terminal modules.
(2) Use special register D9081 (number
of empty entries in mailbox) or special
relay M9081 (BUSY signal of mail
box) to suppress registration or
execution of the
instruction.
(3) Correct the program specified by the
instruction to other.
(4) Set the number of CC-Link dedicated
commands executed in one scan to
10 or less.
"MAIN CPU
DOWN"
60 — STOP (1) The CPU malfunctioned due to
noise.
(2) Hardware failure.
(1) Take proper countermeasures for
noise.
(2) Hardware failure.
62 — (1) The power supply module detected
an incorrect power waveform.
(2) Failure in the power module, CPU
module, main base unit or
expansion cable is detected.
(1) Correct the power waveform applied
to the power supply module.
(2) Replace the power module, CPU
module, main base unit or expansion
cable.
"BATTERY
ERROR"
(Checked at
power on.)
70 — Continue (1) Battery voltage has lowered below
specified level.
(2) Battery lead connector is not
connected.
(1) Replace battery.
(2) If a RAM memory or power failure
compensation function is used,
connect the lead connector.
FROM TO
PRC
PRC
PIDCONT
PIDINIT
PID57
PIDINIT
PIDCONT
ZCHG
PRC
ZCHG