Yaskawa 1000 Series Drive Option - MECHATROLINK-II Installation - Manual (Page 12)

4 MECHATROLINK-II Option Components
12 YASKAWA ELECTRIC TOBP C730600 50C YASKAWA 1000-Series Option SI-T3 Installation Manual
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MECHATROLINK-II Option LED Display
The MECHATROLINK-II Option has four LEDs that indicate the option or communication
status.
■
Checking LED Operation
Table 4 LED Display
LED Color Display Status Remarks
RUN Green
ON Power supply on SI-T3 has been successfully powered up
OFF No power
• The unit has no power
• SI-T3 is not properly connected to the unit, or SI-T3 has
no power
• An internal, self-diagnostic error occurred in the SI-T3
ERR Red
ON Connection error
• SI-T3 is not properly connected to the unit
• Communication error
Flashing SI-T3 error Error found during SI-T3's self-diagnostic check
OFF Normal operation
• SI-T3 is properly connected to the unit
• Communication normal
TX Green
ON Sending data Data is being sent (LED may appear to be flashing)
OFF Not sending data
• No data is being sent
• During reset
RX Green
ON Receiving data Data is being received (LED may appear to be flashing)
OFF Not receiving data • No data is being received
• During reset