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Error code
D646
Parameter error (operation setting)
H
Temporary reserved station cancel/
D701
temporary error invalid station setting
H
not set
Request error of temporary error
invalid station setting/cancel or
D706
reserved station cancel/restoration
H
(when the own station is a local
station)
Request error of temporary error
invalid station setting/cancel or
D70B
reserved station cancel/restoration
H
(when different settings are
simultaneously performed)
Data link start/stop instruction out of
D720
H
range
Data link start/stop retry error (another
D721
H
station)
Data link start/stop retry error (own
D722
H
station)
Data link start/stop retry error (entire
D723
H
system)
D724
Data link start/stop station error
H
Station type error (station that starts/
D725
stops data link throughout the entire
H
system)
D726
Transient data request command error
H
Data link start/stop command-
D727
H
instructing stations different
Data link start/stop command-
D728
H
instructing stations different
D729
UINI instruction not executed
H
D731
Forced master switch error
H
D740
Transient transmission failed
H
Error
• Write the network parameters to the CPU module again.
• To start the master/local module as a master station, set 0 or 2 for Switch
4 in the intelligent function module switch setting of the module.
• To start the master/local module as a local station, set 0 for Switch 4 in the
intelligent function module switch setting of the module.
• To start the master/local module as a submaster station, set 0 or 4 for
Switch 4 in the intelligent function module switch setting of the module.
• If this error persists, please consult your local Mitsubishi representative.
Set the target station(s) in Reserved station function disable/temporary error
invalid station setting (SW0010 to SW0017), and retry the operation.
Temporary error invalid station setting/cancel or reserved station setting
cancel/restoration cannot be executed from a local station or submaster
operating station. Retry the operation from the master operating station.
• Temporary error invalid station setting/cancel using SB0010 and SB0011
or reserved station cancel/restoration using SB0012 and SB0013 cannot
be simultaneously executed.
• Retry the operation so that only one bit in SB0010 to SB0013 may turn on
after all bits in them are turned off.
Check the setting, and stop or start data link.
Retry the operation after the stop or restart of data link is completed.
Retry the operation after the stop or restart of data link is completed.
Retry the operation after the stop or restart of data link is completed.
Check the setting, and stop or start data link.
A local station and a submaster operating station cannot start or stop data
link of all or multiple stations. Perform these operations from the master
operating station.
Correct the request command at the request station, and retry the operation.
• Data link start was instructed from a station different from the one that had
instructed the data link stop. Instruct data link start and data link stop from
the same station.
• The method of the data link start differs from that of the data link stop.
Instruct the data link start using the same method as the data link stop (ex.
Data link is stopped using the CC-Link IE Field Network diagnostics, and
the data link is started using a program).
• Data link start failed. Forcibly restart the data link.
Data link start was instructed during execution of data link. Instruct data link
stop then data link start.
Set the station number using the UINI instruction.
Perform the forced master switch to the submaster station operating as a
master operating station.
• If a slave station is disconnected from the network, identify the cause of
the disconnection and take action.
• When data link is stopped in the slave station, identify the cause of the
data link stop and take action.
• Retry the operation after a slave station is replaced and new one is added.
CHAPTER 12 TROUBLESHOOTING
Action
12
455
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Table of Contents
Troubleshooting
