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3 TROUBLESHOOTING
3.5 List of Error Codes
1801H IP address of the external device could not be acquired. • Correct the IP address in "Network/Station No. <-> IP
information setting" under "Application Settings".
• Check if the network or station number of the external
device is correctly specified by using control data of the
dedicated instruction.
Parameter information
• Parameter type
• I/O No.
• Parameter No.
• Network No.
• Station No.
1811H An error was detected in the CPU module. Check the error of the CPU module and take action using
the module diagnostics of the engineering tool.
1830H Number of reception requests of transient transmission
(link dedicated instruction) exceeded upper limit of
simultaneously processable requests.
Lower the transient transmission usage frequency, and
then perform again.
1845H Too many processings of transient transmission (link
dedicated instruction) and cannot perform transient
transmission.
Correct the transient transmission execution count.
20E0H The module cannot communicate with the CPU module. The hardware failure of the CPU module may have been
occurred. Please consult your local Mitsubishi
representative.
2160H Overlapping IP addresses were detected. Check and correct the IP addresses.
2220H The parameter setting is corrupted. Check the detailed information of the error by executing
module diagnostics using the engineering tool, and write
the displayed parameter. If the error occurs again even
after taking the above, the possible cause is a hardware
failure of the module. Please consult your local Mitsubishi
representative.
Parameter information
• Parameter type
2221H The set value is out of the range. Check the detailed information (parameter information) of
the error by executing module diagnostics using the
engineering tool, and correct the parameter setting
corresponding to the displayed number (parameter
number). If the same error code is displayed again, the
possible cause is a hardware failure of the data memory
of the CPU module, a memory card, the I/O module, or
intelligent function module. Please consult your local
Mitsubishi representative.
Parameter information
• Parameter type
• I/O No.
• Parameter No.
• Network No.
• Station No.
2250H The protocol setting data stored in the CPU module is not
for the Ethernet-equipped module.
Write the protocol setting data for the Ethernet-equipped
module to the CPU module.
Parameter information
• Parameter type
24C0H
to
24C3H
An error was detected on the system bus. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the error
occurs again even after taking the above, the possible
cause is a hardware failure of the module, base unit, or
extension cable. Please consult your local Mitsubishi
representative.
System configuration
information
• I/O No.
•Base No.
• Slot No.
•CPU No.
24C6H An error was detected on the system bus. • Take measures to reduce noise.
• Reset the CPU module, and run it again. If the error
occurs again even after taking the above, the possible
cause is a hardware failure of the module, base unit, or
extension cable. Please consult your local Mitsubishi
representative.
3020H A value of the port number is out of range. • Check the each system port number registered in the
buffer memory.
• If the error occurs again even after taking the above,
the possible cause is a hardware failure of the error
module. Please consult your local Mitsubishi
representative.
3040H Response data of the dedicated instruction cannot be
created.
• Increase the request interval.
• Decrease the number of request nodes.
• Wait for a response to the previous request before
sending the next request.
• Correct the timeout value.
3060H The send/receive data size exceeds the allowable range. • Check and change the send data size of the Ethernet-
equipped module or the external device.
• If the same error code is displayed again, the possible
cause is a hardware failure of the error module or CPU
module. Please consult your local Mitsubishi
representative.
Error
code
Error details and causes Action Detailed information
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