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4-16
4-3 Startup Procedure
The CompoBus/D communications system can be started from any of the nodes on the Network. The
following procedure gives the startup process after turning ON the power to the Inverter’s CompoBus/D
Communications Card. If the startup process shown below is interrupted or stops before being com-
pleted, an error will occur. Correct errors that occur, referring to Chapter 6 Communications Errors.
1. Turn ON the power.
2. The PWR indicator will turn ON: Power is being supplied.
3. The MS indicator will be lit red and then green: Confirming MS indicator status.
4. The NS indicator will be lit red and then green: Confirming MS indicator status.
5. The MS indicator will flash: Shows Optional Card startup processing status.
6. The MS indicator will be lit: The Optional Card is ready.
7. The NS indicator will flash: The Optional Card is connected to the Network and startup processing is
being performed.
8. The NS indicator will be lit: The Network is started.
CompoBus/D System Startup Chapter 4