Mitsubishi Electric MELSEC Q Series Reference Manual page 153

1)
Before power-on
Set the RUN/STOP switch of the CPU module to STOP.
Check the voltage supplied to the power supply module
is within the specified range.
Power-on
Turn On the external power supply. Check the power
supply module's POWER LED and the CC-Link IE
Controller Network module's RUN LED are ON.
Hardware test
Check the hardware inside the CC-Link IE Controller
Network module.
Page 152, Section 5.4.1
Self-loopback test
Check the hardware of the communication circuit by the
CC-Link IE Controller Network module itself.
Page 157, Section 5.4.2
End
CHAPTER 5 PREPARATION AND SETUP
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