Troubleshooting And Maintenance - SMC Networks DeviceNet EX260 Series Operation Manual

Troubleshooting and Maintenance
Troubleshooting chart
When any malfunction is observed, perform the following troubleshooting.
SI unit
malfunction
SI unit
PWR_LED and
MS_LED OFF
SI unit
PWR(V)_LED OFF
SI unit
MS_LED Red
SI unit
MS_LED Red
flash
SI unit
MS_LED Green
flash
Lower bit output only
stay off
Valves not work
All valve LEDs
stay off
Valves not work
But valve LEDs can
Turn on
‑28‑
SI unit
NS LED OFF
SI unit
NS_LED Red
flash
SI unit
NS_LED Red
flash
SI unit
NS_LED Green
flash
SI unit
NS_LED Green
Refer to fault
No.1
Refer to fault
No.2
Refer to fault
No.3
Refer to fault
No.4
Refer to fault
No.5
Refer to fault
No.6
Refer to fault
No.7
Refer to fault
No.8
Refer to fault
No.9
Refer to fault
No.10
Refer to fault
No.11
EX##‑OMN0013
Yes
No