Fujitsu ETERNUS DX60 S4 Configuration Manual page 75

Chapter 6 Operation and Maintenance
6.3 Troubleshooting
■ The ETERNUS DX/AF does not turn on with the power synchronized server
• The power synchronized unit is not turned on.
• The POWER LED and POWER SENSOR LED are on.
- Check that power synchronization with the power synchronized unit is correctly set for the ETERNUS DX/
AF.
- Check the connection status of the RS232C cable that connects the power synchronized unit and the
ETERNUS DX/AF.
• When the POWER LED is on.
- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized unit and the
status for the AC output of the server UPS unit to which the AC sensor unit is connected.
The AC output of at least one of the connected server UPS units need to be on to turn on the ETERNUS
DX/AF.
- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized unit and the
status of the cable connection for the AC sensor unit.
- When the power synchronized units are cascaded, check the connection status of the cascade cables.
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide (Power Synchronized Unit)
75
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