Mitsubishi Electric CC-Link IE TSN FR-A8NCG Instruction Manual page 12

 Operation status LEDs
LED
Description
name
RUN Operation status
Connector for communication (PORT1)
LINK1
status
Connector for communication (PORT2)
LINK2
status
SLMP command request message
ACT
reception status
ERR Node failure status

L.ERR Link error

Also lit in no-communication state.

This LED blinks when the MAC address and IP address of the inverter match the MAC address and IP address specified by using
engineering software such as GX Works3.

This LED indicates a communication break between the master station and the FR-A8NCG (due to cable disconnection or breakage,
power-OFF of the master power supply, and reset, etc.)

"
RUN
LINK1
LINK2
Normal operation (normal
5 V internal voltage)
Link-up
Link-up
-
Node failure
Received data error
" (duplicate IP address) or "
ACT
ERR
L.ERR
ON Blinking
-

Data transmission in progress
Data transmission in progress
Inverter identification in
progress

-
IP address error
" (IP address error) will appear on the operation panel.
PRE-OPERATION INSTRUCTIONS
OFF
Hardware failure
Link-down
Link-down
Inverter identification
paused
Normal operation
Received data normal

1
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