IBM System x3500 M4, Инструкция по установке и эксплуатации

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The following table describes the problems that are indicated by various
combinations of the power-supply LEDs on an ac power supply and suggested
actions to correct the detected problems.
AC power-supply LEDs
Description Action Notes AC DC Error (!)
On On Off Normal operation.
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. Restart the server. If the error
remains, check the
power-supply LEDs.
4. If the problem remains,
replace the power-supply.
This is a normal
condition when no ac
power is present.
Off Off On Faulty
power-supply.
1. Make sure that the power
cord is connected to a
functioning power source.
2. Replace the power supply.
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. Reseat the power supply.
2. If the system board error LED
is not lit, replace the power
supply.
3. (Trained technician only) If
the system board error LED
is lit, replace the system
board.
Typically indicates a
power-supply is not
fully seated.
On Off or
Flashing
On Faulty
power-supply. Replace the power supply.
On On On Power supply is
faulty but still
operational Replace the power supply.
Chapter 1. The System x3500 M4 server
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