Mitsubishi QJ71C24/-R2 User Manual page 267

10 TROUBLESHOOTING
Error code
Error
(Hexa-
decimal)
Extension R block
7148
H
No. error
7149 System error
H
Cannot execute a
714A command during
H
RUN
714B
H
to System error
714D
H
Monitor network
714E
H
No. error
7150 System error
H
PLC No.
7151
H
designation error
7152 System error
H
7153 Frame length error
H
7154 System error
H
Unwritten monitor
7155
H
data error
7156 System error
H
7160 PLC access error
H
7161
H
to System error
7163
H
7164 Request error
H
7166 System error
H
7167
Cannot execute a
H
command during
RUN
7168
H
7169 CPU error
H
716A
H
to System error
716C
H
716D
H
Monitor data write
error
716E
H
10 - 16
Error Contents
A nonexistent extension file register block No. was
designated.
A block No. being used as an extension comment
area, sampling trace area, or status latch area was
designated.
The OS of the Q series C24 detected some error.
A write command was designated when "Disable
write during RUN" was set.
Parameter or sequence program was written during
RUN.
The OS of the Q series C24 detected some error.
The written monitor network No. and the monitor
request network No. are different.
The OS of the Q series C24 detected some error.
A PLC No. other than "FF" or "0 to 64(00
was designated.
The OS of the Q series C24 detected some error.
The received message length has exceeded the
allowable range.
The OS of the Q series C24 detected some error.
Monitoring was requested before monitor data was
written.
The OS of the Q series C24 detected some error.
CPU model name cannot be confirmed.
The OS of the Q series C24 detected some error.
Either the request or the device designation method
is wrong.
The OS of the Q series C24 detected some error.
A write command was designated when "Disable
write during RUN" was set.
A command that cannot be executed during RUN
was designated.
Cannot communicate normally with the CPU.
The OS of the Q series C24 detected some error.
Monitor data was not written using QnA compatible
2C/3C/4C frame.
Monitor data was not written using A compatible 1C
frame.
Signal
Corrective action
name
Correct the designated block
PRO No. and restart data
communications.
— ( 1)
Change the setting to "Enable
write during RUN" and restart
C/N data communications.
Stop the CPU and restart data
communications.
— ( 1)
Check and correct the other
station access valid module No.
C/N
in the network parameters.
Rewrite the monitor data.
— ( 1)
Check and correct the external
to 40 )"
H H
C/N device transmit message and
restart data communications.
— ( 1)
Review the transmission
message.
CHn
Correct the message format so
ERR.
the number of access points is
within the allowable range.
— ( 1)
Write the device to be monitored
PRO
before issuing a monitor
request.
— ( 1)
If there is an error in the CPU,
C/N remove the CPU error and
restart data communications.
— ( 1)
Check the transmission
message/request from the
external device, make the
necessary corrections, and send
again.
— ( 1)
Change the setting to "Enable
C/N write during RUN" and restart
data communications.
Stop the CPU and restart data
C/N
communications.
If there is an error in the CPU,
C/N remove the CPU error and
restart data communications.
— ( 1)
PRO
Rewrite monitor data.
PRO
MELSEC-Q
Protocol
Non
Bidire-
MC Proce-
ctional
dure
10 - 16