Mitsubishi Electric MELSEC iQ-R Series User Manual page 163

Self-diagnostic tests
■Automatic hardware test
The following explains the test on hardware such as ROM/RAM/Ethernet of a module.
• The values in the buffer memory cannot be referenced in GX Works3 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 GX Works3.
Operating procedure
1.
Select "Automatic Hardware Test" in [Basic Settings]  [Various Operations Settings]  [Mode Settings] in the module
parameter of a module in the parameter setting of GX Works3.
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.
6.
After the CPU module 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 complete.
7.
When the test is completed normally, select "Online" in "Basic Settings"  "Various Operations Settings"  "Mode
Settings" in the module parameter of the module in the parameter setting of GX Works3, and reset the CPU module.
8.
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 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.
RUN LED status
Flashing
Normal completion ON
Abnormal completion ON
ERR LED status
OFF
OFF
ON
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5.6 Recorder Module
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