5 Troubleshooting
The flashing patterns for flickering, blinking, single flash, and double flash are given below.
Flickering
Blinking
Single flash
Double flash
5 - 8
50 ms
on
off
on
200 ms 200 ms
off
on
1,000 ms
2
0
0
m
s
off
on
200 ms
200 ms 200 ms
off
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
2
0
0
m
s
1,000 ms