Sun Microsystems StorEdge T3+, Service Manual

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Chapter 7 Power and Cooling Unit Assemblies 7-5
To replace a power and cooling unit:
1. Observe static electricity precautions.
See Section 1.5, “Static Electricity Precautions” on page 1-5
2. Power off the power and cooling unit by pressing the power switch (
FIGURE 7-1
).
Make sure that the AC LED is amber and the PS LED is off (
FIGURE 7-2
).
3. Disconnect the power cord from the AC outlet.
4. Disconnect the power cord from the power and cooling unit connector by
squeezing both sides of the connector and pulling straight out (
FIGURE 7-1
).
5. Unlock the power and cooling unit by using a coin or small screwdriver to push
in and release the two latch handles
FIGURE 7-3
).
6. Pull the power and cooling unit out of the array.
Put one index finger through each of the latch handles. With your thumbs on the top
of the chassis for support, pry the power and cooling unit out of its connectors with
an upward rotation. Once it is out approximately 1 inch (2.5 cm), the unit will be free
to slide out of the frame on its rails.
Caution –
Any power and cooling unit that is removed must be replaced within 30
minutes or the Sun StorEdge T3 and T3+ array and all attached arrays automatically
shut down and power off.
FIGURE 7-3
Removing the Power and Cooling Unit
Latch handle
Latch handle