4 Option Components
YASKAWA ELECTRIC TOBP C730600 89D YASKAWA AC Drive Option SI-EP3 Installation Manual 17
n Power-Up Diagnostics
An LED test is performed each time the drive is powered up. The initial boot sequence may
take several seconds. After the LEDs have completed the diagnostic LED sequence, the
option is successfully initialized. The LEDs then assume operational conditions as shown in
Table 4.
Table 5 Power-Up Diagnostic LED Sequence
10/100
(visible at
RJ45 jack)
Yellow OFF 10 Mbps is established –
Yellow ON 100 Mbps is established –
LINK/ACT
(visible at
RJ45 jack)
Green OFF Link is not established –
Green ON Link is established –
Green Flashing
Link is established and there is
network activity
–
Sequence Module Status (MS) Network Status (NS) Time (ms)
1 Green OFF 250
2RedOFF250
3 Green OFF -
4 Green Green 250
5 Green Red 250
6 Green OFF -
Name
Indication
Operating Status Description
Color Status
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