7-42 Sun StorEdge 5310 NAS Troubleshooting Guide • December 2004
■Yes - Go t o ste p 3.
■No - Run the Recovery Guru to identify the failed component, and then go to step
3.
3. Mute the alarm, and remove the back cover, if needed.
4. Put on antistatic protection.
5. Unpack the new power supply.
Set the new power supply on a dry, level surface near the command module. Save all
packing materials in case you need to return it.
6. Turn off the power switch on the new power supply.
7. Check the Fault lights to locate the failed power supply. If a fault is detected, the
light will be illuminated and amber.
Caution – WARNING Risk of electrical shock. Never remove or install a power
supply that has its power cord plugged in and its power switch turned on. Doing so
may expose you to the risk of electrical shock. Always turn off the power switch and
unplug the power cord before removing or installing a power supply.
8. Turn off the power switch, and unplug the power cord from the failed power
supply.
9. Squeeze the pull ring on the failed power supply to release the lever. Open the
lever and remove the power supply.
10. Verify that the lever on the new power supply opens in the same direction as the
one you just removed. If it does not, move the lever to the other pivot post.
11. Slide the new power supply into the empty slot and close the lever.
12. Plug in the power cord and turn on the power.