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Normal operation
No ac power to the server, a
problem with the ac power
source, or a power supply
has failed.
No input power to the power
supply or the power-supply
has detected an internal
problem.
The power supply has failed.
The power supply is in zero
output mode (standby).
When the total power
consumption is low, only
one of the power supplies
delivers the entire power,
while the other is put into
this mode.
Faulty power supply.
The system is off: The
system is connected to
power.
The system is on: Power-
supply not fully seated,
faultystandard I/O book, or
faulty power-supply.
Faulty power supply.
Faulty power supply.
1. Check the ac power to
the server.
2. Make sure that the power
cord is connected to a
functioning power
source.
3. Restart the server. If the
error remains, check the
power-supply LEDs.
4. Replace the power-
supply.
1. Make sure that the power
cord is connected to a
functioning power
source.
2. Replace the power
supply.
Replace the power supply.
Zero output advanced mode
is on by default, and the
standby power supply unit will
function normally when power
consumption increases. To
disable zero output mode,
choose F1 -> System
Settings -> Power -> Zero
Output -> Disable.
Replace the power supply.
1. Reseat the power supply.
2. Replace the power-
supply.
3. Replace the standard I/O
book.
Replace the power supply.
Replace the power supply.
.
Chapter 4
Problem determination
The server is
functioning
correctly.
This happens
only when a
second power
supply is
providing power
to the server
The server is
functioning
correctly.
It usually
indicates the
power supply is
not fully seated.
141
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