Troubleshooting And Maintenance - SMC Networks EX260-SPL1 Operating Manual

Troubleshooting and Maintenance

○Troubleshooting chart
When any malfunction is observed, it is recommended to perform the following troubleshooting.
SI unit
malfunction
Yes
No
SI unit
ST LED is OFF
SI unit
PWR (V) LED is OFF
SI unit
L/A LED is OFF
SI unit
ST LED is red ON
SI unit
S/E LED is red ON
SI unit S/E LED
is green flashing
Group of valves
not working
All valves and
valve LEDs are not
operating
Valves do not
work but valve LEDs
are operating
-21-
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
No.EX※※-OMV0023