Mitsubishi Melsec-L Series User Manual page 294

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 abnormality
H
monitoring number
error
Monitoring condition
7E66 error of monitoring
H
device
Programmable
controller CPU
7E67
H
abnormality
monitoring error
Transmission
7E68 condition range error
H
of monitoring device
Programmable
controller CPU
7E69
H
abnormality
monitoring error
Monitoring device
7E6A read point range
H
error
7E6B Programmable
H
controller CPU
7E6C
H
abnormality
7E6D
H
monitoring error
15 - 25
Description
• Writing to the flash ROM failed.
• Power is turned off during writing to
Flash ROM.
• There is an error in the mode No. or
transmission specifications after
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.
• Cycle time units setting is out of range.
• Setting of the programmable controller
CPU monitoring function is out of range.
• Incorrect transmission method is set for
the programmable controller CPU
monitoring.
• Registration point (word/bit) is out of
range.
• Setting of the programmable controller
CPU abnormality monitoring is out of
range.
• Setting of the monitoring condition is out
of range.
• The programmable controller CPU
abnormality monitoring setting (fixed
value) is out of range.
• The transmission condition (condition
agreement transmission) setting is out
of range.
• The programmable controller CPU
abnormality monitoring setting (fixed
value) is out of range.
• Read points of monitoring device is out
of range.
• The programmable controller CPU
abnormality monitoring setting (fixed
value) is out of range.
Signal
Corrective action
name
⎯
• Re-execute the write operation.
or
• If the error occurs after rewriting,
CHn
replace the module.
ERR.
• Check and correct the external device's
transmit message and restart data
PRO.
communications.
• Check the switch setting.
• Review the program.
• Write "0" to the Flash ROM write count
⎯
area (address: 2401 ) in the buffer
H
or
memory and restart data
communications.
• When the number of writes reached
CHn
ERR. 100,000, replace the module.
• Correct the communication protocol
CHn
ERR. setting.
• 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 cycle time units setting.
• Correct the setting of the programmable
⎯
controller CPU monitoring function.
• Correct the setting of the transmission
⎯
method for the programmable controller
CPU monitoring.
• Correct the number of registration
⎯
points (word/byte).
• Correct the setting of the programmable
⎯
controller CPU abnormality monitoring.
⎯ • Correct the monitoring condition.
• Correct the programmable controller
⎯
CPU abnormality monitoring setting
(fixed value).
• Correct the transmission condition
⎯
(condition agreement transmission).
• Correct the programmable controller
⎯
CPU abnormality monitoring setting
(fixed value).
• Correct the monitoring device read
⎯
points.
⎯
• Correct the programmable controller
⎯
CPU abnormality monitoring setting
(fixed value).
⎯
15 TROUBLESHOOTING
Protocol
Non- Bi-
Pre-
proce- direc-
MC
defined
dural tional
15 - 25