Trouble-Shooting With Indicators And Error Code Display - Omron CP1H CPU Operation Manual

Trouble Shooting

9-11-2 Trouble-shooting with Indicators and Error Code Display

ERR
Error
Indicator
Lit CPU Unit service
monitoring error
Two option boards
installed
Option board error An error occurred in
Option board
memory error
Flashing CPU Unit memory
error
CPU Unit pro-
tected
CPU Unit fatal
error
CPU Unit power
failure
IP address setting
error
IP address table
error
IP Router table
setting error
Error code
Probably Cause
Service from the CPU 0002
Unit was not com-
pleted within the fixed
interval. The monitor-
ing time is normally
11s.
Two option boards ---
have been installed on
the CPU Unit.
0601
the Ethernet Option
Board.
An error occurred in 0602
the Unit's non-volatile
memory itself. This
error will occur while
writing or reading the
error log, system
setup, identity data,
MAC ID.
A parity error occurred 0012
during an operation
such as reading the
routing tables.
CPU Unit protected. 0013
A fatal error occurred 0015
in the CPU Unit.
CPU Unit power OFF, 0014
Ethernet Option Board
is still running.
The IP address is set 021A
incorrectly.
The IP address table 021A
is set incorrectly.
The IP Router table is 021A
set incorrectly.
(hex)
Check and correct the CPU Unit's operating
environment.
Check whether the related DIP SW is on.
Refer to 9-8-2 Installation and Removing.
Note Recovery is possible for this error.
When operation is restored, it will
return to normal.
Uninstall the Ethernet Option Board in one
serial port of the CPU Unit and restart the
CPU unit.
Restart the CPU Unit. Replace the Ethernet
Option Board if the error recurs.
Restart the CPU Unit. Replace the Ethernet
Option Board if the error recurs.
Register the routing table in the CPU Unit
again and restart the CPU Unit. Replace the
CPU Unit if the error recurs.
Remove protection from CPU Unit memory.
Eliminate the cause of the error in the CPU
Unit.
Restart the PLC (Power OFF and power ON).
Correct the IP address. Do not set any of
the following IP addresses.
• Host IDs that are all 0 or all 1.
• Network IDs that are all 0 or all 1.
• Subnetwork IDs that are all 1.
• Addresses beginning with 127 (7F hex).
Correct the IP address table.
Correct the IP Router table.
Section 9-11
Correction
557