IBM DCS3860, Installation, User'S, And Maintenance Manual

Page: 119 / 204

CAUTION:
To prevent damage to the storage system components from overheating, replace
a failed power supply within 5 minutes of removal. If replacing it will take
longer than 5 minutes, stop all I/O activity to the storage system and turn off the
power until you complete the replacement. Do not remove the failed power
supply from the storage enclosure until you:
v
Review the replacement procedure in this section.
v Have the replacement power supply and are ready to install it in the
enclosure.
(L001)
1. Ensure that you run the Recovery Guru to identify the failed component.
2.
Unpack the new power supply. Save all packing material in case you have to
return the failed power supply.
3. Turn off the power switch on the new unit.
4. Check the fault LED to locate the failed power supply. If a fault is detected,
the amber fault LED is lit.
5. Ensure that the Service Action Allowed LED is lit. Do not remove the power
supply if the LED is off. For more information about the Service Action
Allowed LED, see “Service Action Allowed LED” on page 77.
6. Turn off the power switch and disconnect the power cord from the failed
power supply.
7.
Remove the power supply from the bay.
Chapter 5. Replacing components
101