Mitsubishi Electric MELSEC iQ-R Series User Manual page 637

Event Event Event
code type category
00A00 System Warning
00C02
00C27
00C28
00C29
00F00
00F01
00F02
00F03
00F04
00F05
1000 and Error
after
Detected event Description
Error detection in the An error was detected in the other
other system system.
Abnormal response • An abnormal response was sent to
from/to the other the other system.
system • An abnormal response was sent
from the other system.
Tracking Tracking communication has
communication stop 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.
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.
Module restarted The redundant function module has
restarted because the module
stopped due to the following causes:
• Noise
• Failure of the redundant function
module
System switching (by The systems were switched due to
the system) the cause on the redundant system
side.
Auto memory copy The control system automatically
(control system) copied its memory to the standby
system.
Auto memory copy The memory of the control system
(standby system) was automatically copied to the
standby system.
Automatic standby The standby system has recovered
system recovery automatically.
Automatic standby The automatic standby system
system recovery recovery has failed.
failed
Latch data clear Due to no battery and a memory
error, the latch data was cleared to
zero.
When a self-diagnostic error occurs, the error is stored as an event.
Detailed information
1 2
 Error
description (the
other system)
Target station
information
Cause of
tracking
communication
stop

System
switching
information

Automatic
standby system
recovery
information

37 EVENT LIST
37.2 Event List
3

37
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