18 EMC VNX8000 Hardware Information Guide
System component description
Storage processor (SP) AC power supply module
The storage processor enclosure (SPE) contains four power supply modules, two per
storage processor, which provide redundant power to each storage processor CPU
module, midplane, and other hardware components. A latch on the power supply locks it
into place to ensure proper connection. When viewed from the front, the SP power supply
module is located on the right side of each SP (see location 4 in Figure 6 on page 17).
Each power supply includes three status LEDs (see Detail 2 in Figure 6 on page 17).
Do not
remove the SP power supply module while the SP is plugged in. Power supply
module removal for more than a few minutes can cause the SP to shut down due to lack of
cooling.
Table 3 describes the VNX8000 platform fan fault and SP power supply status LEDs as
shown in Figure 6 on page 17.
SP and SP chassis (enclosure) LEDs
The SPs in the 4U storage processor enclosure contain the SP power on, SP chassis
(enclosure) fault, SP fault, and SP unsafe to remove LEDs (see Detail 1 in Figure 6 on
page 17). Reading from the top of the exploded view in Figure 7 on page 19, the LEDs are:
the SP power on, SP chassis (enclosure) fault, SP fault, and SP unsafe to remove,
respectively.
Table 3 VNX8000 platform SP fan fault and SP power supply status LEDs
LED Color State Description
Fan fault (see location 10) Amber On Fan fault
— Off Fan operating normally
SP A power supply status
(see Detail 2)
Green On SP A AC power supply (input)
power on LED, labeled AC
— Off SP A AC power supply (input) off,
verify source power
Green On SP A DC power supply (output)
power on LED, labeled DC
— Off SP A DC power supply (output)
off, verify source power
Amber Fault SP A DC power supply (output)
fault LED, labeled with an
exclamation point (!)
Blinking BIOS, POST and OS booting up or
system overheating
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