Removing And Replacing A Power Supply; Removing A Power Supply - Sun Microsystems Storage J4400 Array Replacement Manual

Removing and Replacing a Power
Supply
This section describes how to remove and replace a power supply.
Caution – Potential loss of data access - Never remove a power supply unless the
Power fault LED or Fan fault LED is amber (see
Caution – Electrical Shock Hazard - The power supplies in this equipment can
produce high energy hazards. Only instructed personnel with authorized access to
this equipment should remove and replace modules in the system.
Note – The power supplies are hot-swappable and you do not need to disconnect
power from the system or other components in order to replace one of these parts.

▼ Removing a Power Supply

1. Locate the respective disk tray and failed power supply. The Power fault or Fan
fault LED is amber (see
2. Ensure the power supply on/off switch is in the "O" position.
3. Disconnect the power cord tie strap (see
4. Unplug the power cord from the power supply.
5. Using your thumb and forefinger, unscrew both ejection arm captive screws
until loose and swing the ejection arms out until they are fully open (see
FIGURE 3
Note – You might need a #2 Phillips screwdriver to loosen or tighten captive screws
on the ejection arms.
4 Sun Storage J4400 Array Power Supply Replacement Guide • March 2008
FIGURE 2
).
).
FIGURE 2
).
) from the power cord.
FIGURE 2