5 TROUBLESHOOTING
5.6 List of Error Codes
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5
5.6
List of Error Codes
This section lists the error codes, error details and causes, and actions for the errors that occur in the processing for data
communications between the RJ71EIP91 and EtherNet/IP devices or that are caused by processing requests from the CPU
module on the own station.
The RJ71EIP91 has the following error codes.
Error codes when a module error occurs
Error codes when a module error occurs are classified into major error, moderate error, and minor error, and can be checked
in the [Error Information] tab of the "Module Diagnostics" window of the RJ71EIP91. ( Page 112 Error Information)
Type Error code Reference
Error codes when a module error occurs 1801H to 3FA0H Page 123 Error codes when a module error occurs
Error codes when a communication error
occurs
102H to 2FFH Page 127 Error codes when a communication error occurs
Error
code
Error details and causes Action Detailed information
1801H The number of writes to ROM exceeded 100000.
(Number of writes > 100000)
Replace the module. Frequency information
• Frequency (setting value)
1807H A parameter error was detected. Use the engineering tool to write the parameters to the
CPU module again.
1E00H An error was detected in the execution condition
during EtherNet/IP communications.
Turn off the following signal, and then turn 'EtherNet/IP
communication start request' (Y10) on.
• 'PING test execution request' (Y12)
1E01H An error was detected in the execution condition
during execution of PING test.
Turn off the following signals, and then turn 'PING test
execution request' (Y12) on.
• 'EtherNet/IP communication start request' (Y10)
• 'Connection information read request' (Y14)
1E03H An error was detected in the execution condition
during execution of connection information reading.
• Turn off 'PING test execution request' (Y12), and
then turn on 'Connection information read request'
(Y14).
• Start EtherNet/IP communications, and then turn on
'Connection information read request' (Y14).
1E10H to
1E12H
An error was detected in the parameters set with
EtherNet/IP Configuration Tool.
• Use EtherNet/IP Configuration Tool to write the
parameters to the module again.
• If the error occurs again even after the above action
is taken, the possible cause is a hardware failure of
the module on which the error occurred. Please
consult your local Mitsubishi representative.
1E13H to
1E14H
It was not possible to stop EtherNet/IP
communications.
• Check the settings of the connection with the
external device.
• If the error occurs again even after the above action
is taken, the possible cause is a hardware failure of
the module on which the error occurred. Please
consult your local Mitsubishi representative.
2120H to
2121H
A hardware failure has been detected. • If an SD memory card is loaded in the CPU module,
remove the SD memory card, reset the CPU
module, and then switch it to RUN mode.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the module on which the error occurred.
Please consult your local Mitsubishi representative.
Drive/file information
•Drive number
2440H An error was detected in the I/O module or RJ71EIP91
during the initial processing.
• Take measures to reduce noise.
• Reset the CPU module, and then switch it to RUN
mode. If the error occurs again even after the above
action is taken, the possible cause is a hardware
failure of the module on which the error occurred.
Please consult your local Mitsubishi representative.
System configuration
information
• I/O number
• Base number
•Slot number
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