4 TROUBLESHOOTING
4.5 List of Error Codes
265
4
D233H The station number specified for station number
change is incorrect.
Set the station number within 1 to 120, and retry the
operation.
D234H Baton pass has not been performed. Check the communication status.
D235H A transient transmission error was detected. • Check the network status using the CC-Link IE Field
Network diagnostics of the engineering tool, and
take action.
• Check if the switching hub and the cables are
connected properly.
• If the request source is on another network, check if
the routing parameters are set correctly, and take
action.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
D236H The TTL of the IP data is incorrect. Correct the TTL at the IP request source and retry the
operation.
D237H The IP address setting is not correctly set. Correct the IP address of the master station
(submaster station).
D238H The send queue is full. • Pause the transient transmission temporarily, and
retry the operation.
• Lower the transient transmission usage frequency,
and then perform again.
• Use the COM instruction to increase the frequency
of transient transmission.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
D239H SLMP transmission failed. • Retry the operation after a while.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
D23AH The subheader in the SLMP data is incorrect. Correct the subheader information at the request
source, and retry the operation.
D23BH The network number in the SLMP data is incorrect. Correct the network number at the request source,
and retry the operation.
D23CH The target station number in the SLMP data is
incorrect.
Correct the station number at the request source and
retry the operation.
D23DH The information of the slave station failed to be
acquired.
• Set "Network Configuration Settings" under "Basic
Settings" correctly, and write it to the CPU module
again.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
D23EH The information of the slave station failed to be
acquired.
• Set "Network Configuration Settings" under "Basic
Settings" correctly, and write it to the CPU module
again.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
D240H The network number specification of the dedicated
instruction is incorrect.
• Execute again after correcting the network number
at the request source.
• If the request source is on another network, check if
the routing parameters are set correctly, and take
action.
D241H The target station number of the dedicated instruction
is incorrect.
• Execute again after correcting the target station
number at the request source.
• If the request source is on another network, check if
the routing parameters are set correctly, and take
action.
D242H The command code of the dedicated instruction is
incorrect.
• Execute again after correcting the command code
at the request source.
• If the request source is on another network, check if
the routing parameters are set correctly, and take
action.
D243H The channel specified in the dedicated instruction is
incorrect.
• Execute again after correcting the used channel
within the allowable range at the request source.
• If the request source is on another network, check if
the routing parameters are set correctly, and take
action.
Error
code
Error details and causes Action Detailed Information
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