KEYENCE DL-EP1 - Manual (Page 91)

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- EtherNet/IP Compatible Network Unit DL-EP1 User’s Manual (GT2) -
5-2
Troubleshooting
The indicator LEDs on the DL-EP1 can be used to determine the causes of errors.
„ Link/activity indicator (LINK/ACT)
This indicator indicates whether the DL-EP1 is communicating correctly.
„ Module status indicator (MS)
This indicator indicates whether the DL-EP1 is operating normally.
* The setting can be changed so that the red LED does not flash.
Link/activity indicator (Green)
Module status indicator (Green, Red)
Network status indicator (Green, Red)
Sensor communication indicator (Green, Red)
LED Status Condition Corrective Action
Green
Solid The DL-EP1 is normally linked. -
Flashing The DL-EP1 is normally linked and
is now exchanging data.
-
Not lit
Power is not supplied to the DL-
EP1.
The DL-EP1 is not linked.
• Check if the power supply is correctly
connected.
• Check if the DL-EP1 is correctly connected
to the sensor amplifier.
• Check if the IP address is correct.
• Check if the power supply of the
connected device or Ethernet switch is
correctly connected.
• Check if the cable is correctly connected.
LED Status Condition Corrective Action
Green Solid The DL-EP1 is normally operating. -
Red
Solid
A system error may have occurred
in the DL-EP1.
Contact your nearest KEYENCE office.
Flashing
One or more of the connector
sensors are in the error or warning
status
* .
One or more of the connector sensors are in
the error or warning status
* .
The number of connected sensor
may have exceed the maximum
number of connectable units.
Check if the number of connected sensors is
less than or equal to the maximum number of
connectable units.
The IP address may be duplicated. Check if the IP address is duplicated.
Not lit
Power is not supplied to the DL-
EP1.
• Check if the power supply is correctly
connected.
• Check if the DL-EP1 is correctly connected
to the sensor amplifier.