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No.JXC#-OMX0009-A
8. LED display
8.1 LED display
Refer to the table below for details of the LED status.
LED
Details
PWR
Power supply and EEPROM writing
status
OFF
Power is not supplied
Green LED is ON
Power is supplied
Green LED is flashing
EEPROM writing
ALM
Controller alarm status.
OFF
Normal operation
Red LED is ON
Alarm generated
L ERR
Error status
(
CC-Link
)
OFF
Normal operation
Red LED is ON
Error is generated
Red LED is flashing
L RUN CC-Link communication status.
OFF
Communication
disconnected
Green LED is ON
Communicating
Green LED is flashing
Error is generated
8.2 LED and Controller Status
Refer to the table below for the LED and the controller status.
Controller status
LED description
PWR
ALM
L ERR
L RUN
When power is supplied
-
-
LED is
OFF
LED is OFF
CPU ROM
・
RAM check error for CC-Link
communication
-
-
Red LED is
ON
Green LED
is ON
When CC-Link communication is normal
-
-
LED is
OFF
Green LED
is ON
The setting of Rotary switch is changed when
supplying of power
-
-
Red LED is
flashing
LED is OFF
CC-Link
communicati
on
area
CC-Link communication stop
-
-
LED is
OFF
LED is OFF
CC-Link CRC error
-
-
Red LED is
ON
LED is OFF
STATION No. error
-
-
Red LED is
ON
Green LED
is flashing
Communication speed error
(unused range)
-
-
Red LED is
flashing
Green LED
is ON
WDT time-out error
-
-
Red LED is
flashing
Green LED
is flashing
Motor
controller
Controller alarm generated
LED is
OFF
Red LED is
ON
-
-
Controller system error generated
Green LED
is ON
Red LED is
ON
-
-
Writing to controller EEPROM
Green LED
is flashing
-
-
-
－
: The LED display is unrelated
Caution
Do not turn OFF the power supply for the controller or disconnect and connect the cable while the
data is being written to EEPROM (PWR LED (green) is flashing).
Possibility of incorrect / corrupt data (step data, parameter)
