Owners Manual

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PS6610 Hardware Owner's Manual 4 Maintain Power Supply Units
Table 10: Power Supply Features
Color
Item LED/Control Description
(State)
1 Used to remove PSU from array
PSU fault. PSU not supplying power.
2
PSU firmware is downloading
Release latch none
PSU fault
Amber
(steady)
Amber
(flashing)
AC fault
Amber
(steady)
Amber
(flashing)
Power OK
Green
(steady)
Green
(flashing)
Power Cord
Connector
none
AC power is not detected.
3
PSU firmware is downloading.
This PSU is providing power.
4
AC power is present, but this PSU is in standby mode. The other
PSU is providing power
5 Connect the provided power cord.
(Off) No power supplied to unit
6 Power Switch
(On) Unit is powered on and operational
Remove a Power Supply Unit
Although an array can operate with only one working power supply unit, you should replace the failed
unit as soon as possible. For proper array cooling, do not remove a failed power supply unit until you
are ready to replace it.
How to Remove a Power Supply
Wear electrostatic protection when handling a power supply and cooling module. See Hardware
Protection on page 6.
To remove a power supply:
1. Turn off the power switch on the power supply.
2. Disengage the hook-and-loop fastener from around the power cable.
3. Remove the power cable.
4. With your right hand, hold the handle and push the orange release latch (callout 1 in Figure 23) to
the right with your thumb.
5. Pull the module from the slot, as shown in Figure 23.
Caution: The PSU is heavy. Support it with two hands.
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