Yaskawa MECHATROLINK-III - Manual (Page 13)

4 Option Components
YASKAWA ELECTRIC TOBP C730600 62B 1000-Series Option SI-ET3 Installation Manual 13
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Option LED Display
The MECHATROLINK-III Option has four LEDs that indicate the option card or
communication status.
■ Checking LED Operation
Table 4 Option LED States
Name Display Operating Status Remarks
R/E
Lit in
green
Power supply on
• SI-ET3 has been successfully powered up
• An internal, self-diagnostic check completed in the SI-ET3
Lit in
red
Error
• Error/alarm occured
• Command error occurred (parameter error, phase error,
combination error)
Flashing
in red
SI-ET3 error Error found during SI-ET3’s self-diagnostic check
Unlit Power supply off
• The drive has no power
• SI-ET3 is not properly connected to the drive, or SI-ET3 has no
power
• An internal, self-diagnostic error occurred in the SI-ET3
CON
Lit in
green Connection
established
Established connection
Unlit
Connection
unestablished
Connection with master device is not established
LK1
Lit in
green Connector CN1
connected
Connector CN1 is connected to other stations
Unlit
Connector CN1
disconnected Connector CN1 is not connected to other stations (cable not
connected, cable disconnected, other stations not powered up)
LK2
Lit in
green Connector CN2
connected
Connector CN2 is connected to other stations
Unlit
Connector CN2
disconnected Connector CN2 is not connected to other stations (cable not
connected, cable disconnected, other stations not powered up)