IBM 7945G2U, Инструкция по установке и эксплуатации

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Table 2. Power-supply LEDs
AC power-supply LEDs
Description Action Notes AC DC Error
Off Off Off No ac power to
the server or a
problem with the
ac power source
1. Check the ac power to the server.
2. Make sure that the power cord is
connected to a functioning power
source.
3. Turn the server off and then turn the
server back on.
4. If the problem remains, replace the
power supply.
This is a normal
condition when no
ac power is present.
Off Off On No ac power to
the server or a
problem with the
ac power source
and the power
supply had
detected an
internal problem
1. Replace the power supply.
2. Make sure that the power cord is
connected to a functioning power
source.
This happens only
when a second
power supply is
providing power to
the server.
Off On Off Faulty power
supply Replace the power supply.
Off On On Faulty power
supply Replace the power supply.
On Off Off Power supply not
fully seated,
faulty system
board, or faulty
power supply
1. (Trained service technician only)
Reseat the power supply.
2. If a power channel error LED on the
system board is not lit, replace the
power-supply (see the documentation
that comes with the power supply for
instructions).
3. If a power channel error LED on the
system board is lit, (trained service
technician only) replace the system
board.
Typically indicates
that a power supply
is not fully seated.
On Off or
Flashing
On Faulty power
supply Replace the power supply.
On On Off Normal operation
On On On Power supply is
faulty but still
operational Replace the power supply.
The following table describes the problems that are indicated by various
combinations of the power-supply LEDs on a dc power supply and suggested
actions to correct the detected problems.
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System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide