Mitsubishi Electric MELSEC iQ-R Series - Page 637

37 EVENT LIST
37.2 Event List
635
37
00A00 System Warning Error detection in the
other system
An error was detected in the other
system.
 Error
description (the
other system)

00C02 Abnormal response
from/to the other
system
• An abnormal response was sent to
the other system.
• An abnormal response was sent
from the other system.
Target station
information
00C27 Tracking
communication stop
Tracking communication has
stopped as a result of any of the
following:
• The standby system CPU module
has been powered off or reset.
• Hardware failure of the CPU
module has occurred.
• An error has occurred in the
redundant function module.
• A WDT error has occurred.
• Tracking cables has been pulled
out or disconnected.
Cause of
tracking
communication
stop
00C28 Retry • A tracking communication retry
was performed due to the change
in communication route caused by
loopback.
• A tracking communication retry
was performed due to a line status
error, such as faulty cable and
incorrect connector connection.

00C29 Module restarted The redundant function module has
restarted because the module
stopped due to the following causes:
•Noise
• Failure of the redundant function
module
00F00 System switching (by
the system)
The systems were switched due to
the cause on the redundant system
side.
System
switching
information
00F01 Auto memory copy
(control system)
The control system automatically
copied its memory to the standby
system.

00F02 Auto memory copy
(standby system)
The memory of the control system
was automatically copied to the
standby system.
00F03 Automatic standby
system recovery
The standby system has recovered
automatically.
Automatic
standby system
recovery
information
00F04 Automatic standby
system recovery
failed
The automatic standby system
recovery has failed.
00F05 Latch data clear Due to no battery and a memory
error, the latch data was cleared to
zero.

1000 and
after
Error When a self-diagnostic error occurs, the error is stored as an event.
Event
code
Event
type
Event
category
Detected event Description Detailed information
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