Power Supply And Fan Unit Leds - IBM DS5100 Installation, User's, And Maintenance Manual

Left power supply-fan unit
Service Action
Allowed LED
Needs Attention LED
Power LED
Figure 96. Power supply and fan unit LEDs
Table 50. Power supply and fan unit LEDs
LED Color
Power Green LED On = Power
Needs Amber LED Off
Attention
Normal Status Problem Status
Off = Power
supply and fan supply and fan unit
unit is providing is not providing
power power
On = Power
supply and fan unit
needs attention
Chapter 4. Operating the storage subsystem
Right power supply-fan unit
Power LED
Needs Attention LED
Service Action
Allowed LED
Procedure
Examine the power supply
and fan unit, connected
PDUs, and connected
power circuits for any of the
following conditions:
v The power supply and
fan unit power switch is
off.
v A circuit breaker has
tripped in the controller
linked to this power
supply and fan unit is
linked. (The right power
supply and fan unit is
linked to controller A; the
left power supply and fan
unit is linked to controller
B.)
v The connected PDUs are
turned off or have been
tripped.
v There is no power at the
wall circuit.
v The power supply and
fan unit is bad.
"Troubleshooting the
storage subsystem" on
page 142
153