Mitsubishi Electric MELSEC iQ-R Series User Manual page 422

Error Error definition and causes
code
C613H The module processing was completed
with an error.
C615H The module processing was completed
with an error.
C810H Remote password authentication has
failed when required.
C811H Remote password authentication has
failed when required.
C812H Remote password authentication has
failed when required.
C813H Remote password authentication has
failed when required.
C814H Remote password authentication has
failed when required.
C815H Remote password authentication has
failed when required.
C816H The security function was activated and
remote password authentication cannot be
performed.
C842H The routing setting is not set to reach to
the destination network number.
C844H Incorrect frame was received.
• Unsupported command
C900H Communication failed.
C901H The size of the request data to the external
device or response data from the external
device exceeds the range supported for
communications.
C902H Communication was interrupted because
no response was returned from the
external device.
C903H Failed to send request to the external
device.
CF40H Incorrect frame was received.
CF41H Incorrect frame was received.
19 LIST OF ERROR CODES
420
19.1 Error Codes When a Module Error Occurs
Action
• Execute the communication status test, and if the test was completed with
an error, take the corrective action.
• Execute the module communication test, and check that there is no failure
in the module.
• Execute the communication status test, and if the test was completed with
an error, take the corrective action.
• Execute the module communication test, and check that there is no failure
in the module.
Set a correct password and perform password authentication again.
Set a correct password and perform password authentication again one
minute later.
Set a correct password and perform password authentication again 5
minutes later.
Set a correct password and perform password authentication again 15
minutes later.
Set a correct password and perform password authentication again 60
minutes later.
Set a correct password and perform password authentication again 60
minutes later.
Set a correct password and perform password authentication again after a
certain period of time.
• Execute the link dedicated instruction again after correcting the target
network number/station number.
• When the dynamic routing is used, check that communication path to the
destination network number is set.
• When the dynamic routing is not used, or the module of the series other
than MELSEC iQ-R is included, retry the operation after correcting the
routing setting.
• Replace the network module with a module of the version supporting the
function that has been executed.
• If the error occurs again even after taking the above, please consult your
local Mitsubishi representative.
Do not execute communication from multiple engineering tools to the same
master station simultaneously.
Correct the size of the request data or response data to within 1500 bytes.
Execute the communication test, and if the test was completed with an error,
take corrective action.
• Correct the IP address of the external device.
• Check if the subnet mask of the external device matches the master
station.
• Check if the communication speed matches the communication speed of
the external device.
• Check if the cables are properly connected and that there is no error.
• Check the operating status and connection status of the target device.
• Check the connection of the Ethernet cable and switching hub.
• Check the line status of Ethernet.
• Reset the CPU module and target device, and retry the operation.
If the above actions do not solve the problem, contact the manufacturer of
the target device.
• Check the operating status and connection status of the target device.
• Check the connection of the Ethernet cable and switching hub.
• Check the line status of Ethernet.
• Reset the CPU module and target device, and retry the operation.
If the above actions do not solve the problem, contact the manufacturer of
the target device.
Detailed
information 1
Detailed
information 2
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