Mitsubishi QJ71C24N User Manual page 340

11 TROUBLESHOOTING
Error code
Error
(Hexa-
decimal)
Flash ROM write
7E57
H
error
Mode modification
7E58
H
error
Flash ROM write
7E59
H
count over limit error
Programmable
controller CPU
7E5E
H
monitoring function
registration error
I/O number error on
7E5F
H
requested module
Device monitoring
7E60 duplicate registration
H
error
Cycle time units
7E61
H
range error
Programmable
controller CPU
7E62
H
monitoring function
error
Transmission
7E63 measure setting
H
error
Registration point
7E64
H
range error
Programmable
controller CPU
7E65
H
abnormal monitoring
number error
Monitoring condition
7E66 error of monitoring
H
device
CPU abnormal
7E67 monitoring setting
H
value error
Transmission
7E68 condition range error
H
of monitoring device
CPU abnormal
7E69 monitoring setting
H
value error
Monitoring device
7E6A read point range
H
error
7E6B CPU abnormal
H
monitoring setting
7E6C
H
value error
7E6D
H
7E6E System error
H
Modem connection
7E6F
H
error
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Description
• Cannot write to Flash ROM normally.
• Power is turned off during writing to
Flash ROM.
• There was an error in the mode No. or
transmission specification designated
contents when changing the mode.
• Writing to flash ROM was performed
1000 times after power-on.
• Writing to flash ROM was performed
100,000 times.
• The programmable controller CPU
monitoring function is registered for the
communication protocol that does not
support the function.
• I/O number of requested module is
incorrect.
• Programmable controller CPU
monitoring registration was performed
twice.
• Setting value of cycle time units is out of
range.
• Setting value of programmable
controller CPU monitoring function is
out of range.
• Setting of transmission measure of the
programmable controller CPU
monitoring is incorrect.
• Registration point (word/bit) is out of
range.
• Setting value of the programmable
controller CPU abnormal monitoring is
out of range.
• Setting value of transmission condition
is out of range.
• Setting value (fixed value) of CPU
abnormal monitoring is out of range.
• Setting value of transmission condition
(condition agreement transmission) is
out of range.
• Setting value (fixed value) of CPU
abnormal monitoring is out of range.
• Read point of monitoring device is out
of range.
• Setting value (fixed value) of CPU
abnormal monitoring is out of range.
• The OS of the Q series C24 detected
some error.
• Modem is connected to an incorrect
channel.
Signal
Corrective action
name
⎯ • Re-execute the write operation.
If the error is generated again, replace
CHn
the module.
ERR.
• Check and correct the contents of the
external device transmit message and
PRO restart data communications.
• Recheck the switch setting on the Q
series C24.
• Review the program.
• Reset the Flash ROM write count
⎯
(address: 2401 ) to 0 and restart data
H
communications.
• When the number of writes reached
CHn
ERR. 100,000, replace the module.
• Correct the communication protocol
CHn
ERR. setting value.
• Correct the I/O number of the module to
⎯
which data is sent.
• Cancel the programmable controller
CPU monitoring and perform the
⎯
programmable controller CPU
monitoring registration again.
• Correct the setting value of the cycle
⎯
time units.
• Correct the setting value of the
⎯
programmable controller CPU
monitoring function.
• Correct the setting value of the
⎯
transmission measure.
• Correct the setting value of the
⎯
registration point (word/byte)
• Correct the setting value of the
⎯
programmable controller CPU abnormal
monitoring.
• Correct the setting value of the
⎯
transmission condition.
• Correct the setting value (fixed value) of
⎯
the CPU abnormal monitoring.
• Correct the setting value of the
⎯
transmission condition (condition
agreement transmission).
• Correct the setting value (fixed value) of
⎯
the CPU abnormal monitoring.
• Correct the setting value of the read
⎯
point of the monitoring device.
⎯
• Correct the setting value (fixed value) of
⎯
the CPU abnormal monitoring.
⎯
⎯
( 1)
• Correct the C
to which notification is
H
⎯
sent.
MELSEC-Q
Protocol
Non
Bidire- Pre-
MC Proce-
ctional defined
dure
11 - 24