Mitsubishi FX2N-64CL-M, User Manual

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FX2N-64CL-M CC-Link/LT Master Block Troubleshooting 12
12-8
Status indicator LEDs when the self-loop-back test is completed
Name Description Countermeasures against abnormality
S
ta
tus
indic
a
tor
LEDs
POWER
Lit :Power is supplied
Extinguished :Power is not
supplied
Extinguished
• Confirm the capacity of the power for the PLC and
the supplied 5V DC power.
RUN
Lit :FX
2N
-64CL-M is
operating normally
Extinguished :FX
2N
-64CL-M is
abnormal
Power is
interrupted
Extinguished
• Confirm the capacity of the power for the PLC and
the supplied 5V DC power.
• If there is no problem in the capacity of the power
for the PLC and the supplied 5V DC power, contact
an office of MITSUBISHI ELECTRIC SYSTEM &
SERVICE, CO., LTD.
ERR.
Lit :Communication
speed setting error
occurred
Flickering :Power supplied for
communication is
abnormal
DIP switch for
operation setting
was changed
during operation
Extinguished :FX
2N
-64CL-M is
operating normally
Lit
• Confirm the operation setting switch setting, reset
power.
Flickering
• Check the connection or power supply to the power
adapter or dedicated power supply. (For details on
the power adapter or dedicated power supply, refer
to "CC-Link/LT : Power Adapter · Dedicated Power
Supply USER'S MANUAL (Detailed Volume).)
• Return the DIP switch setting to the status at the
time of power ON.
L RUN
Lit :Self-loop back Test
finished normally
Extinguished :Self-loop back Test
finished abnormally
(Extinguished while
the self-loop back
Test is being
executed)
Extinguished
• Check the connection or power supply to the power
adapter or dedicated power supply. (For details on
the power adapter or dedicated power supply, refer
to "CC-Link/LT : Power Adapter · Dedicated Power
Supply USER'S MANUAL (Detailed Volume).)
• If the system is not restored even after confirming
the item above, contact an office of MITSUBISHI
ELECTRIC SYSTEM & SERVICE, CO., LTD.
L ERR.
Lit :Self-loop back Test
finished abnormally
Extinguished :Self-loop back Test
finished normally
(Extinguished while
the self-loop back
Test is being
executed)
Lit
• Check the connection or power supply to the power
adapter or dedicated power supply. (For details on
the power adapter or dedicated power supply, refer
to "CC-Link/LT : Power Adapter · Dedicated Power
Supply USER'S MANUAL (Detailed Volume).)
• If the system is not restored even after confirming
the item above, contact an office of MITSUBISHI
ELECTRIC SYSTEM & SERVICE, CO., LTD.
SD Lit: Data is being sent. --
RD Lit: Data is being received. --