Mitsubishi QJ71C24N User Manual page 335

11 TROUBLESHOOTING
Error code
Error
(Hexa-
decimal)
7143 Device No. error
H
Monitor data write
7144
H
error
Monitor PC No.
7145
H
error
Monitor CPU model
7146
H
name error
Written number of
7147 monitoring points
H
overrun error
Extension R block
7148
H
No. error
7149 System error
H
Cannot execute a
714A command during
H
RUN
714B
H
System error
714C
H
Unusable command
714D
H
error
Monitor network No.
714E
H
error
7150 System error
H
PC No. designation
7151
H
error
7152 System error
H
7153 Frame length error
H
7154 System error
H
Unwritten monitor
7155
H
data error
7156 System error
H
Programmable
7160 controller access
H
error
7161
H
to System error
7163
H
11 - 19
Description
• The head device No. is out of range.
• Monitoring was requested before the
device to be monitored was written.
• The written PC No. and PC No. in the
monitor request are different.
• The written CPU model name and the
CPU monitor name in the monitor
request are different.
• The written number of monitoring points
exceeds the designated range.
• 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.
• An unusable command is issued to the
access target CPU.
• The written monitor network No. and the
monitor request network No. are
different.
• The OS of the Q series C24 detected
some error.
• A PC No. other than "FF" or "0 to 120
(00 to 78 )" was designated.
H H
• 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.
Signal
Corrective action
name
• Check and correct the external device
PRO transmit message and restart data
communications.
• Write the device to be monitored before
PRO
issuing a monitor request.
C/N • Rewrite the monitor data.
C/N • Rewrite the monitor data.
• Check and correct the external device
PRO transmit message and restart data
communications.
• Correct the designated block No. and
PRO
restart data communications.
⎯
( 1)
• Change the setting to "Enable write
during RUN" and restart data
C/N communications.
• Stop the CPU and restart data
communications.
⎯
( 1)
• Check and correct the external device
transmit message and restart data
communications.
• If no error is found in the command,
C/N
clear the programmable controller CPU
information and retry. (Refer to Section
11.1.7.)
• Check and correct the other station
access valid module No. in the network
C/N
parameters.
• Rewrite the monitor data.
⎯
( 1)
• Check and correct the external device
C/N transmit message and restart data
communications.
⎯
( 1)
• Review the transmission message.
• Correct the message format so the
CHn
ERR. number of access points is within the
allowable range.
⎯
( 1)
• Write the device to be monitored before
PRO
issuing a monitor request.
⎯
( 1)
• If there is an error in the CPU, remove
C/N the CPU error and restart data
communications.
⎯
( 1)
MELSEC-Q
Protocol
Non
Bidire- Pre-
MC Proce-
ctional defined
dure
11 - 19