System component description
EMC VNX5400 Hardware Information Guide 17
Storage processor dual fan pack (cooling module)
As previously described, the SP dual fan pack cooling module provides cooling to the SP
CPU. Four dual-pack fans are provided; two dual-pack fans per SP. Each fan pack includes
an amber fault LED (see Figure 4).
Figure 4 Example of the fan fault LED
SP fault LED, during faults
(see Detail) continued
Amber Blinks once every
2 seconds
NMI reset pushed; blinking will
continue until SP reboots and
enters power on sequence.
Blinks at 1, 3, 3,
and 1 times a
second
Memory problem
Blue On Fault has occurred
SP unsafe to remove (see
Detail)
White On The SP peer has a panic or
rebooted with the cache
performance mode enabled. The
SP is holding valid cache in
memory.
The SP is currently flashing the
BIOS/Post firmware or updating
the resume PROMs.
The SP is currently dumping the
cache data to the vault.
— Off The SP can be safely removed for
service.
SP power status (see Detail) Green On SP is powered up normally
— Off SP is powered off
Table 3 VNX5400 platform 3U, 25 DPE, SP, and disk drive status LEDs (continued)
LED Color State Description
CL5184
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