Mitsubishi FX2N-64CL-M, User Manual

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FX2N-64CL-M CC-Link/LT Master Block Troubleshooting 12
12-4
12.2.3 TEST mode (self-loop-back test)
The table below shows the descriptions of errors during in the TEST mode (bit 6 of the DIP
switches are OFF and the bit 7 is ON in the FX
2N
-64CL-M) indicated by the status indicator
LEDs and their countermeasures.
• When the FX
2N
-64CL-M is set to TEST mode while it is connected to an FX
1N
Series PLC,
the PLC does not start up.
(The self-loop-back test will be executed normally, and the test result will be indicated by the
status indicator LEDs.)
Name Description Countermeasures
S
tat
us ind
icator
LE
Ds
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 was
finished normally
Extinguished: Self-loop back Test
was 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 was
finished abnormally
Extinguished: Self-loop back Test
was 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.