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-23-
No.EX
※※
-OMV0023
Fault No.5
Fault
Probable cause
Recommended error handling
Recommended action
SI unit S/E
LED is red
ON
POWERLINK
communication
timeout
Check the communication cable
connections and check for broken wires.
Tighten the communication
cable connection.
(Replace the cable if it is broken)
Check that there is no high voltage cable or
equipment that generates noise around the
communication cable and SI unit.
Take measures to keep the
communication cable and SI unit
away from noise sources.
Fault No.6
Fault
Probable cause
Recommended error handling
Recommended action
SI unit S/E
LED is green
flashing
POWERLINK
communication is
not established
Check that the configuration information
registered in the POWERLINK master
matches the profile of the SI unit.
Configure the SI unit in the
POWERLINK master software.
Check that the Node ID is not duplicated.
Set the Node ID that is not
duplicated.
Fault No.7
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.