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890053-03-01
Connecting with Other Products
10.4 LED Indications and Troubleshooting
LED name Color
Description
Status
Status
LINK1
Green
Network
normal
ON
Network connection at LINK 1 is
operating normal
Orange
Check network
settings
ON
Check EtherNet settings*1
When the communication cycle stops for
longer than one second.
-
LINK 1
Not connected
OFF
Trying EtherNet communication, network
cable not connected to LINK 1
LINK2
Green
Network
normal
ON
Network connection at LINK 2 is
operating normal
Orange Network fault
ON
Check EtherNet settings*1
-
LINK 1
Not connected
OFF
Trying EtherNet communication, network
cable not connected to LINK 2
*1: For EtherNet network settings, check keypad parameters COM-10, COM-11, COM-14,
COM-15, COM-23, and COM-24, and the settings for the client devices, such as the PLC.
LED name Color
Description
Status
Status
ERROR
Red
Normal
operation
OFF
Communication between the
communication board and the
inverter is normal.
Network fault
Flashing
Synchronous
with CPU LED
(1 second interval)
Communication between the
communication board and the
inverter is abnormal.
Flashing
(2 second interval)
The communication board
parameters are set differently
from the communication
parameter settings on the
keypad*2
ON
EEPROM failure
No network connection to LINK
1 and LINK 2
IP collision occurred
CPU
Green
Normal
operation
Flashing
(1 second interval)
The communication board has
been properly installed on the
inverter.
*2: To synchronize the EtherNet communication board settings with the keypad parameter
settings, check the COM Group parameter settings and set COM-94 (Comm. Update) to "1
(yes)."
