KEYENCE IV Series - Manual (Page 290)

A-34 - IV Series User's Manual (Monitor) -
A
Remedy when the Monitor cannot be Connected with the Sensor
Confirming the status by observing the SENSOR indicator light of the monitor
The causes of an unavailable connection and countermeasures can be confirmed by checking the
SENSOR indicator light of the monitor.
SENSOR indicator light
Status of
the SENSOR
indicator light
Status Remedy
Green
ON
Correct connection with the
sensor.
-
Blink
No correct connection with the
sensor.
The link with the sensor or
the Ethernet switch has been
established, but connection
with the sensor has not been
established.
For direct connection
“Remedy when direct connection is unavailable”
(Page A-28)
For network connection
“Remedy when connection via a network is unavailable”
(Page A-29)
OFF
No correct connection with the
sensor.
The link with the sensor or the
Ethernet switch has not been
established.
y Supply power to the monitor.
y Supply power to the sensor or the Ethernet switch of
the connection target.
y Connect the cable correctly.
y The communication timeout interval is 1 minute.
y During the timeout interval after trouble has occurred, the screen may fail to be updated while the
SENSOR indicator light in on, or the monitor may not accept an operation.