9-18 Upgrading Your Server
4. Connect two power cords to the AC inlets.
Use the standard power cord coming with the server and the cord coming with the power
supply unit. The POWER lamp (green) blinks when the power cords are connected. If the
lamp does not go on, check if the power is supplied to the unit. If the lamp remains off or
the POWER FAIL lamp goes on amber, the power cord or the power supply unit may be
defected or the power supply bay containing the power supply unit may be failed. Contact
your service representative to ask for maintenance.
5. Turn on the power of the server.
The POWER lamps on the power supply units go on.
6. Make sure that any error on the power supply unit occurs with the STATUS lamp and
POST.
See Chapter 8 for details of error indications.
When the POWER lamp of the power supply unit is off, reinstall the power supply unit. If
the POWER lamp is still off, contact your service representative.
NOTE: When the optional power supply unit is installed but the power
cord is connected to either of the power supply unit, the POWER FAIL
lamp on the other unit goes on amber.
POWER lamp POWER FAIL lamp
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