Self-Diagnostic Tests - Mitsubishi Electric MELSEC iQ-R Series User Manual

Self-diagnostic tests

Automatic hardware test
The following explains the test on hardware such as ROM/RAM/Ethernet of a high speed data logger module.
• The values in the buffer memory cannot be referenced in an engineering tool during the automatic hardware
test.
• If the automatic hardware test is completed abnormally, the error details cannot be checked even if the error
code is displayed in an engineering tool.
Operating procedure
1.
Select "Automatic hardware test" in "Basic Settings"  "Various Operations Settings"  "Mode Settings" for a high
speed data logger module in an engineering tool.
2.
Disconnect a cable if it is connected to a 1000BASE-T/100BASE-TX/10BASE-T interface.
3.
Remove an SD memory card if it is inserted.
4.
Set the CPU module to the STOP state, and write the parameters.
5.
Reset the CPU module.
After it is reset, the automatic hardware test is performed automatically. The LED display for the automatic hardware test
is as follows:
Status
Automatic hardware test is in process.
Automatic hardware test is
completed.
6.
When the test is completed normally, return the mode setting changed in step 1 to "Online" and reset the CPU module.
7.
When the test is completed abnormally, check if measures are taken to reduce noise of the system, and perform the test
again. If it is completed abnormally again, a hardware failure may occur in the high speed data logger module. Please
contact your local Mitsubishi Electric sales office or representative.
Do not use an electric screwdriver when removing the module. Loose the module fixing screws completely to remove the
module.
4 TROUBLESHOOTING
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4.2 Checking the Module Status
Normal end
Error end
RUN LED status
Flashing
ON
ON
ERR LED status
OFF
OFF
ON