YASKAWA SI-EM3D Installation Manual page 15

Wait 2 seconds minimum for the power-up diagnostic process to complete before you
verify the LED states. The operational status of the option LEDs after the power-up
diagnostic LED sequence is complete are described in
Indication
LED Name
Color
-
Green
Green
MS
Red
Red
-
Green
NS
Green
Red
Yellow
*1
10/100
Yellow
Green
Green
*1
LINK/ACT
Green
*1 To verify LED states, remove the drive front cover. Do not touch the drive main circuit terminal or circuit
boards when you remove the drive front cover.
YASKAWA TOEP C730600 0EA Modbus TCP/IP Installation Manual
Table 4.2 Option LED States
Operating Status
Status
OFF Power supply off
ON Option operating
Flashing Option initializing
ON Fatal error occurred
Flashing Non-fatal error occurred
Offline or Power supply
OFF
OFF
Online communications
ON
established
Flashing Control connection active
Communications error
ON
(fatal)
OFF 10 Mbps is established
ON 100 Mbps is established
OFF Link is not established
ON Link is established
Link is established and
Flashing
there is network activity
4 Option Components
Table 4.2.
Description
There is no power to the drive.
The option is operating normally.
The option is configuring an IP address.
The option has detected a fatal
(unrecoverable) error.
The option has detected a non-fatal
(recoverable) error.
-
The option is online and has established
connections.
The option is online and has an established
and active control connection.
The option detected a duplicate IP address.
-
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