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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 23 shows the power supply unit. Table 10 shows the status and meanings of each LED.
Figure 23 Power Supply Unit (Drive Enclosure)
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 states of LEDs are listed below.
Table 10 Status and Meanings of Each LED (Power Supply Unit (Drive Enclosure))
LED name LED status Meaning
POWER
(green)
AC power is supplied to the power supply unit.
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
Drive Enclosures
26
FUJITSU Storage ETERNUS AF250 S2, ETERNUS AF250 All-Flash Arrays
Operation Guide (Basic)
Copyright 2019 FUJITSU LIMITED
P3AG-1842-06ENZ0
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