Mitsubishi FX2N-64CL-M, User Manual

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FX2N-64CL-M CC-Link/LT Master Block Troubleshooting 12
12-2
12.2 Confirmation of status based on status indicator LEDs and countermeasures
12.2.1 ONLINE mode
The table below shows the descriptions of errors during in the ONLINE mode (bits 6 and 7 of
the DIP switches are OFF in the FX
2N
-64CL-M), indicated by the status indicator LEDs and
their countermeasures.
Name Description Countermeasures
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
EEPROM read
error (sum
mismatch) occurred
Extinguished
• Confirm the capacity of the power for the PLC and
the supplied 5V DC power.
• Set the FX
2N
-64CL-M to the CONFIG mode. If
necessary, edit the detailed remote station
information, and write it to the EEPROM.
• If the system is not restored even after confirming
the items above, contact an office of MITSUBISHI
ELECTRIC SYSTEM & SERVICE, CO., LTD.
ERR.
Lit: Communication speed setting
error occurred
EEPROM read error (sum
mismatch) 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 DIP switch setting, reset power.
• Set the FX
2N
-64CL-M to the CONFIG mode. If
necessary, edit the detailed remote station
information, and write it to the EEPROM.
Flickering
• Return the DIP switch setting to the status at the
time of power ON.
• If the DIP switch setting should be changed,
change the DIP switch setting, then execute the
CONFIG mode again.
• 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).)
L RUN
Lit: Data link is being executed
Extinguished: Data link is stopped
Extinguished
• Take proper countermeasures according to the
status of other LEDs.
L ERR.
Lit: Unit disconnection error
Outside-control-range station
error occurred
RD station number setting
error
Flickering: Stations are abnormal
Extinguished: Data link is being
executed normally
Lit
• Securely connect the FX
2N
-64CL-M and remote
modules.
• Make sure that connected remote modules are
consistent with the detailed remote station
information.
• Confirm that the remote device station number is
within the allowable range.
Flickering
• Securely connect the FX
2N
-64CL-M and remote
modules.
• Make sure that connected remote modules are
consistent with the detailed remote station
information.