Hardware Test - Mitsubishi Electric MELSEC iQ-R Series User Manual

Hardware test

Checks if the module operates normally.
The ROM check, RAM check, and self-loopback test is performed.
Procedure
1.
Wire the power for network, and turn it on.
2.
Set the mode switch to 9.
3.
Reset or power off and on the CPU module to start the test.
Do not perform a hardware test while connected to the slave node. While connected to the slave node, the
hardware test is not performed correctly.
Checking the status and result of hardware test
■Status of the hardware test
Check the status of the hardware test with the LED indication of the module.
Test status
Test in progress
Completed successfully
Completed with an error
■Checking the result
Check the result of the hardware test with 'Hardware test result area' (Un\G1583) of the buffer memory.
Error code for Description
hardware test
0000H Normal completion
60AAH RAM error
62AAH CAN controller check error
63AAH Network power supply error
70AAH Microcomputer error
71AAH
72AAH
73AAH
74AAH
4 TROUBLESHOOTING
52
4.2 Checking the Module Status
LED indication
The MS LED is flashing in green/red alternately. (Including when the mode backs to the online mode after the completion
of the auto configuration or saving data to flash ROM.)
The MS LED turns on in green.
The MS LED turns on in red and the ERR LED turns on.
Action

The hardware failure may have occurred. Please consult your local Mitsubishi representative.
The hardware failure may have occurred. Please consult your local Mitsubishi representative.
Wire the power correctly and supply the power to the network.
If the error occurs again even after taking the above action, the possible cause is a hardware
failure. Please consult your local Mitsubishi representative.
The hardware failure may have occurred. Please consult your local Mitsubishi representative.