1.
You must determine if the repair can continue concurrently. To continue the repair concurrently, the
following conditions must be true:
v
A second power supply must already be installed.
v
The second power supply LEDs must be set as follows:
– DC power LED (green) - solid on
– Fault LED (amber) - off
– AC power LED (green) - solid on
Note:
If you choose to remove and replace the failing power supply with the power on, it
must
be
performed in less than 15 minutes to prevent overheating.
2.
If any of these conditions are
not
true, the repair can continue only after powering off the unit
containing the FRU that is being repaired, and you must begin with
The power supply will be
serviced nonconcurrently.
Otherwise, continue with
The power supply will be serviced
concurrently
.
v
The power supply will be serviced concurrently.
Do not remove power from the working power supply during this procedure. Continue with the
next step.
v
The power supply will be serviced nonconcurrently.
v
Failure to follow the step-by-step sequence for this FRU removal or installation might result in FRU
or system damage.
Use the following precautions whenever you handle electronic components or cables.
– Attach a wrist strap to an unpainted metal surface of your hardware to prevent electrostatic
discharge from damaging your hardware.
– If you do not have a wrist strap, just prior to removing the product from ESD packaging and
installing or replacing hardware, touch an unpainted metal surface of the system for a minimum
of 5 seconds.
Figure 1. Rear view of power supply
Removal and replacement procedures
11
Summary of Contents for 5886
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