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Galaxy A16F-R2422 Installation and Hardware Reference Manual
3.2.8 PSU LEDs
Each PSU comes with a single LED at the back (see Figure 3-7), located
just above the power switch that turns on the subsystem. This LED indicates
the operational status of the PSU module. Please refer to the PSU LED
definitions shown in Table 3-6.
Color
FLASHING
Green
Static Green
Static Red
OFF
3.2.9 Cooling Module LEDs
Each cooling module has two (2) red LEDs on the back. Each LED
corresponds to a single fan in the cooling module. (See Figure 3-8) When
3-8
Figure 3-6: BBU LED
Figure 3-7: PSU Module LED
Status
The power supply has not been turned on. The PSU
module LED will blink when the subsystem is
connected to a power source but not yet turned on.
The PSU is operating normally and experiencing no
problem.
The PSU has failed and is unable to provide power to
the subsystem.
The subsystem has not yet been plugged into a power
source.
Table 3-6: PSU Module LED Definitions
Subsystem Monitoring
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