Troubleshooting And Maintenance - SMC Networks EX260-SEN2-X205 Operation 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 MS LED is
OFF
SI unit PWR(V) LED
is OFF
SI unit L/A LED is
OFF
SI unit MS LED is
red ON
SI unit MS LED is
red flashing
SI unit MS LED is
green flashing
SI unit MS LED is
green ON
All valves and
valve LEDs are
not operating
Valves do not work
but valve LEDs are
operating
-38-
SI unit NS LED is
OFF
SI unit NS LED is
red ON
SI unit NS LED is
red flashing
SI unit NS LED is
green flashing
SI unit NS LED is
green ON
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
Refer to fault
No.12
No.EX※※-OMX1001