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16.2 Troubleshooting
16.2.3 When the ERR. LED is on or flashing
16
TROUBLESHOOTING
16.2.3
When the ERR. LED is on or flashing
The following flowchart shows the procedures to be taken when the ERR. LED on the C
Controller module turns on or flashes at the time of power-on or operation start or during
operation of the C Controller system.
* 1 Specify a correct script file or user program with special care. Specifying an incorrect script file or
user program may result in unreliable C Controller module operation (an error, communication
failure, illegal error code return, etc.)
* 2 For precautions on the functions and script files, refer to the following.
C Controller Module User's Manual (Utility Operation, Programming)
Figure 16.3 When the ERR. LED is on or flashing
Q12DCCPU-V
Q06CCPU-V
Q06CCPU-V-B
No
Yes
In <<Module monitoring>> of C Controller
setting utility, check the first stop/continue
error in the system information.
From <<Module monitoring>> of C
Controller setting utility, open "System
information" dialog box to display the
error code help.
Open "Error details" dialog box to see the
error details and take corrective actions.
Has error occurred?
Consult your local Mitsubishi service
center or representative, explaining the
details of the problem.
Is a script file in
execution?
Is the 7-segment
LED flashing?
(For Q06CCPU-V(-B), go to
No.)
Has error occurred?
Error occurred
No
Yes
End
No
No
Yes
Yes
End
Yes
No
Compile the user program and
regenerate an execution file according
to the C Controller module
specifications.
Does the endian format
of the execution file match the specification
of your the C Controller
module?
*2
Is "01" or "02" flashing on the
7-segment LED display?
No
Yes
Check the battery and if it is dead,
replace it.
Perform the module initialization
setting procedure of the hardware
self-diagnostic function to initialize
the C Controller module.
Disable the script file execution.
Correct the script file/user program.
Check the script file and user program.
*1*2
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