Mitsubishi QJ71C24N - Page 344

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MELSEC-Q
11 TROUBLESHOOTING
Protocol
Error code
(Hexa-
decimal)
Error
Description
Signal
name
Corrective action
MC
Non
Proce-
dure
Bidire-
ctional
Pre-
defined
7F91H
to
7F96
H
7F98H
to
7F9A
H
7F9DH
7F9EH
7FA0H
to
7FA3
H
7FA8H
7FAAH
to
7FAD
H
7FAFH
to
7FB2
H
7FB5H
7FB6H
7FB8H
to
7FBC
H
7FC0H
to
7FC4
H
System error
• The OS of the Q series C24 detected
some error.
⎯ (
1)
7FC8H
Protocol setting data
error
• There is an error in the protocol setting
that was edited in GX Configurator-SC
(Pre-defined protocol support function).
• The protocol setting data written to the
Q series C24N includes unsupported
function data.
• The protocol setting data written to the
Q series C24N is corrupted.
CHn
ERR.
• Identify the incorrectly edited protocol in
Protocol setting data error information
(buffer memory: 4086
H to 4089H),
correct the setting data, and write them
again to the Q series C24N.
• Check the version of the Q series C24N
to confirm the supported functions. Use
the pre-defined protocol function within
the range of supported functions.
• Write the protocol setting data again to
the Q series C24N, and execute the
CPRTCL instruction.
• If this error persists even after rewriting,
replace the module.
7FC9H
to
7FCF
H
System error
• The OS of the Q series C24 detected
some error.
⎯
(
1)
7FD0H
to
7FE5
H
Refer to the error code list for use of the modem function, and take corrective action. (Refer to Section 11.2.3.)
7FE6H • Remote passwords do not match. ⎯
• Check the remote password and
communicate again.
7FE7H
• The remote password is not registered.
• The remote password processing
command was received on the interface
side where the modem function is not
used.
• The GX Developer connection is
selected in the communication protocol
setting on the corresponding CH.
CHn
ERR.
• A remote password processing
command is not necessary when a
remote password is not registered.
• Perform a remote password unlock
processing through GX Developer.
Alternatively, change the
communication protocol setting of the
corresponding CH to the MC protocol.
7FE8H
Processing disabled
• The number of remote password
disagreements exceeded the value
designated at the address 200D
H.
CHn
ERR.
• Clear the storage area of the
accumulated cout of unlock process
abnormal completion processing
(address: 22FC
H) to 0.
7FE9H
Refer to the error code list for use of the modem function, and take corrective action. (Refer to Section 11.2.3.)
7FEFH Switch setting error
• There is an error in the switch setting by
the GX Developer
CHn
ERR.
• Write CPU to the parameter and reboot
after correcting the setting value for the
switch.