Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 434

Error Processing
Troubleshooting Table
Error Program- Error
ming flags in
Console Auxiliary
display Area
CPU None
error
Memory MEMORY A40115:
error ERR Memory
Error Flag
Fatal FATAL A40112:
Inner INNER Fatal
Board ERR Inner
error Board
Error Flag
398
For all of the following errors, operation will be switched to the standby and
operation will continue in a Duplex CPU System in Duplex Mode. If the error
occurs in a Single CPU System or in a Duplex CPU System in Simplex Mode,
operation will stop.
Error Flags Probable cause
code (in and
A400) word
data
None None Watchdog timer has exceeded
maximum setting.
80F1 A403: An error has occurred in mem-
Memory ory. A bit in A403 will turn ON
Error to show the location of the
Location error as listed below.
A40300 ON:
A checksum error has
occurred in the user program
memory. An illegal instruction
was detected.
A40304 ON:
A checksum error has
occurred in the PLC Setup.
A40305 ON:
A checksum error has
occurred in the registered I/O
table.
A40307 ON:
A checksum error has
occurred in the routing tables.
A40308 ON:
A checksum error has
occurred in the CS-series CPU
Bus Unit setup.
A40309 ON:
An error occurred during auto-
matic transfer from the Mem-
ory Card at startup.
A40310 ON:
Flash memory has failed.
82F0 A424: The Inner Board is faulty.
Inner
An error occurred on the Inner
Board
bus.
Error
Informa-
tion
Section 10-2
Possible remedy
Use one of the following methods.
• Toggle the USE/NO USE switch for the
CPU Unit with the error to NO USE and
back to USE and then press the initializa-
tion button.
• If the automatic recovery setting has been
enabled in the PLC Setup, use the auto-
matic recovery function to restart.
• If operation still cannot be recovered,
replace the CPU Unit.
See below for specific bits.
Use one of the following methods
If operation has switched from Duplex to
Simplex Mode:
• Toggle the USE/NO USE switch for the
CPU Unit with the error to NO USE and
back to USE and then press the initializa-
tion button.
• If the automatic recovery setting has been
enabled in the PLC Setup, use the auto-
matic recovery function to restart.
• If operation still cannot be recovered,
replace the CPU Unit.
If the error occurs in Simplex Mode:
• Retransfer the program and parameters.
• If operation still cannot be recovered,
replace the CPU Unit.
Make sure that the Memory Card is installed
properly and that the correct file is on the
Card.
A hardware error has occurred in the CPU
Unit. Replace the CPU Unit.
Check the indicators on the Inner Boards
and refer to the operation manual for the
Inner Board.