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Power Supply Units
The power supply unit transforms input AC power from a power socket to DC power and supplies power to each
component.
Each power supply unit contains fans.
Figure 11 shows the power supply unit. Table 4
shows the status and meanings of each LED.
Figure 11 Power Supply Units
1. POWER LED
2. FAULT LED
3. AC MISSING LED
4. FAN FAIL LED
5. PSU switch
This switch is used to turn on and off the AC power supply.
6. Inlet
This inlet is used to connect a power cord.
The LEDs turn on or blink to indicate the statuses that are listed below.
Table 4 Status and Meanings of Each LED (Power Supply Unit)
LED name LED status Meaning
POWER
(green)
AC power is supplied to the power supply unit.
(blinks green)
AC power is supplied to the power supply unit, but DC power is
not supplied to the ETERNUS AF.
FAULT
(amber)
AC power is not supplied to the power supply unit.
AC MISSING
(amber)
AC power is not supplied to this power supply unit, but AC power
is supplied to the other power supply unit.
FAN FAIL
(amber)
The power supply unit or the fan in the power supply unit is in er-
ror status.
1. Component Names and LED Names
Controller Enclosures
16
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays
Operation Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AG-1842-06ENZ0
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