-28-
No.EX##-OMP0013-A
Fault No.6
Fault
Probable cause
Recommended error handling
Recommended action
SI unit
MS LED is
green flashing
Parameter setting
error
-
Contact your nearest SMC
Sales Office.
Fault No.7
Fault
Probable cause
Recommended error handling
Recommended action
SI unit
NS LED is
OFF
(Green / Red
is OFF)
IP address has not
been set
Check the IP address setting.
Set the IP address.
Fault No.8
Fault
Probable cause
Recommended error handling
Recommended action
SI unit
NS LED is red
ON
IP address
duplication error
Check that the IP address is not duplicated.
Set an IP address that is not
duplicated.
Fault No.9
Fault
Probable cause
Recommended error handling
Recommended action
Check the communication cable
connections and check for broken wires.
Tighten the communication
cable connection.
(Replace the cable if it is
broken)
SI unit
NS LED is red
flashing
Communication
time-out
Check that there are no high voltage cables
or equipment that generates noise around
the communication cable.
Take measures to keep the
communication cable away
from noise sources.
Fault No.10
Fault
Probable cause
Recommended error handling
Recommended action
SI unit
NS LED is
green flashing
Connection is not
established
Check if the master is operating normally.
Refer to the master device
manual, and review the
settings.
Fault No.11
Fault
Probable cause
Recommended error handling
Recommended action
Group of
valves not
working
Too many valves
Check if solenoid count does not exceed the
allowable number.
This depends on the SI unit model and valve
series.
Allowable solenoid number by valve series:
SY/SV/S0700 series: 32 points
VQC series: 24 points
Keep the number of mounted
solenoid valves within
specification.
