24
6
Troubleshooting
Symptom
Verification
Countermeasure
Explanation
Page
Monitor LED
does not light
up
Is the power supply voltage
correct?
Make sure the voltage level is as
follows:
External power supply: within 24 V
±10%
USB power supply: 5 V ±5%
Is the power supply cable
connected correctly?
Wire correctly
CC-Link
communication
is not possible
Is the station number
correct?
Set the correct station number
Is the communication speed
setting correct?
Set the correct communication
speed
Is the CC-Link
communication cable
connected correctly?
Connect correctly
Is the terminating resistor
connected?
Units wired
communication
is not possible
Is the wired communication
cable connected correctly?
Connect correctly
Is the terminating resistor
connected?
Units wireless
communication
is not possible
Is the antenna connected
correctly?
Connect correctly
