Mitsubishi Electric MELSEC iQ-R Series User Manual page 100

Hardware test
Operating procedure
1.
Connect the IN connector and OUT connector of the RJ71LP21-25 with one optical fiber cable.
2.
Set the module operation mode to "Hardware test".
[Navigation window]  [Parameter]  [Module Information]  RJ71LP21-25  [Application Settings]  [Module
Operation Mode]
3.
Click the [Apply] button.
4.
Write the module parameters to the CPU module and reset the CPU module.
■Checking the status and result of hardware test.
Check the status and result of hardware test with the LED indicator of the module.
Test status
Test in progress
Completed successfully
Completed with an error
■Checking the status when the operation is completed with an error
When an error is detected, the test is immediately completed (with an error).
When the test is completed with an error, the dot matrix at the front side of the RJ71LP21-25 indicates an error number. Take
actions according to the error number displayed. "_" in the error number is displayed as a space on the dot matrix display.
Error No. Description
0_1 ROM test completed with an error
0_2 RAM test completed with an error
1_3 Light quantity test on the forward side
completed with an error
2_4 Light quantity test on the reverse side
completed with an error
4 TROUBLESHOOTING
98
4.2 Checking the Module Status
LED indication
The RUN LED is turned on, the ERR LED is turned off, and the T PASS LED flashes. The SD/RD LED is turned on.
The dot matrix LED indicates "MD9".
Since the test is repeated during normal operation, the test is judged to have been completed successfully when the T PASS LED
flashes 120 times (for about 60 seconds) or more.
The ERR LED flashes and the dot matrix LED indicates "ER9" and error number alternately at intervals of one second.
Action
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.
Please consult your local Mitsubishi representative.