Table 56. Symptom-to-FRU index (continued)
Problem
indicator Component Possible cause Possible solutions
Amber LED is on
and blue LED is
on, and Overall
Storage
Subsystem
Needs Attention
LED is on
Power supply
and fan unit
v Amber Needs
Attention LED
on.
v Blue Service
Action Allowed
LED on.
Power supply and fan unit
failure or power supply
failure
Use DS Storage Manager client software to verify
the failure and replace the power supply and fan
unit.
RAID controller
v Amber
Controller
Needs
Attention LED
is on.
v Blue
Controller
Service Action
Allowed LED
is on.
RAID controller offline If you have placed the controller offline, use the
DS Storage Manager client software to place it
online.
If one controller has been placed offline by the
other controller, contact IBM support. (This is the
case if you use the DS Storage Manager client
software to make repeated attempts to bring an
offline controller online, but the controller keeps
reverting back to an offline state.)
RAID controller failure If the RAID controller Needs Attention LED is on
and the Service Action Allowed LED for that RAID
controller is lit, replace the RAID controller.
If the Service Action Allowed LED for the RAID
controller is not lit, perform additional diagnostics
to identify other component failures. Replace the
other failed components before replacing the
RAID controller.
Interconnect-
battery unit
v Amber Needs
Attention LED
is on.
v Blue Service
Action Allowed
LED is on.
Interconnect-battery unit
failure
Contact IBM Support.
Chapter 6. Hardware maintenance 205
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