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10 TROUBLESHOOTING
10.5 List of Error Codes
D253H A response timeout has occurred when the
dedicated instruction was executed.
• Check the network status using the CC-Link IE TSN/CC-Link IE
Field diagnostics of the engineering tool, and take action.
• For IP address specification, it is not possible to target stations
beyond a relay station. Execute the dedicated instruction by
specifying the network number/station number.
• Increase the number of resends at the request source of the
dedicated instruction, and retry the operation.
• Lower the transient transmission usage frequency, and retry the
operation.
• Execute the dedicated instruction for a target station that supports
the executed dedicated instruction.
• For the RECV instruction, correct the channels used by own
station in the control data, and retry the operation.
• For the RECV instruction, check that 'RECV execution request flag
CH1' (SB0030) to 'RECV execution request flag CH8' (SB0037)
are on.
• For the SLMPSND instruction, execute again after checking if the
destination port number set in the control data is the available port
number using the manual of the external device.
• Correct the network number and station number/IP address of the
target station of the dedicated instruction.
• Check if the Ethernet cable is disconnected.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D254H A dedicated instruction which the target station
does not support was executed.
• Change the target station at the station that executed the SEND
instruction.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D255H The target station number of the dedicated
instruction is incorrect.
• Correct the target station number in the control data, and retry the
operation.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D256H The execution or error completion type of the
dedicated instruction is incorrect.
• Correct the execution or error completion type in the control data,
and retry the operation.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D257H The request type of the REQ instruction is
incorrect.
• Correct the request type in the request data, and retry the
operation.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D258H The control station does not exist when the
dedicated instruction was executed to the
specified control station or current control station.
• Correct the target station number in the control data, and retry the
operation.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D25AH The dedicated instruction was executed
specifying the channel in use.
• Retry the operation after a while.
• Change the channels used by own station or the target station's
channel in the control data.
• Execute the RECV instruction at the external device, and then
execute the SEND instruction.
D25BH The dedicated instruction was executed
specifying the channel in use.
Change the channels used by own station or the target station's
channel in the control data.
D25DH The transient data is incorrect. • Correct the transient data at the transient request source, and retry
the operation.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
D25FH System error Please consult your local Mitsubishi representative.
D260H System error Please consult your local Mitsubishi representative.
D262H
to
D26CH
System error Please consult your local Mitsubishi representative.
D26FH
to
D272H
System error Please consult your local Mitsubishi representative.
Error
code
Error definition and causes Action Detailed
information 1
Detailed
information 2
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