Run Led Is Off; Ext.pw Led Is Off - Mitsubishi Electric MELSEC Q Series Reference Manual

10.1.1

RUN LED is OFF

The following flowchart shows the procedures to be taken when RUN LED is OFF.
RUN LED is OFF.
Is POWER LED of the power
supply module turned ON?
Is the CPU in RUN/STOP?
Is CC-Link IE controller network
module mounted correctly?
Perform a unit test to the CC-Link IE controller
network module.
Page 150, Section 5.4
10.1.2

EXT.PW LED is OFF

The following flowchart shows the procedures to be taken when the EXT.PW LED is OFF.
EXT.PW LED is OFF.
Is external power supplied
to the CC-Link IE controller
network module?
The CC-Link IE controller network module hardware
may be faulty. Please consult your local Mitsubishi
representative.
498
ON
During RUN/STOP
Yes
End
Not supplied
Supplied
End
Supply power.
Review the system configuration so that the total
current does not exceed the rated output current
of the power supply module.
OFF
QCPU User's Manual
(Hardware Design, Maintenance and Inspection)
The power supply module hardware may be faulty.
Please consult your local Mitsubishi representative.
During
reset
Cancel the reset of CPU module.
No
Remount the CC-Link IE controller network module.
Supply external power to the CC-Link IE controller
network module.