Huawei Tecal RH5485 Problem Determination And Service Manual page 27

Tecal RH5485 Server
Problem Determination and Service Guide
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The following table describes the problems that are indicated by various combinations of the
power-supply LEDs and the power-on LED on the operator information panel and suggested
actions to correct the detected problems.
Figure 2-7 Power-supply LEDs
Power-supply LEDs
AC
Off
Off
Off
Off
Issue 02 (2011-05-25)
Locator LED: Use this LED to visually locate the server among other servers.
In a two-node configuration, this LED is lit on the primary server and flashes on the
secondary server during POST.
You can press this button or use an IPMI command to turn this LED on or off.
System-error LED: When this LED is lit, it indicates that a system error has occurred.
An LED on the light path diagnostics panel is also lit to help isolate the error.
Power-on LED: See "Operator information panel" for the various states of the power-on
LED.
DC Error
Off Off
Off On
On Off
On On
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Description Action
No ac power to 1. Check the ac power to the
either power server.
supply or a
2. Make sure that the power
problem with
cord
the ac power
functioning power source.
source
3. Turn the server off and then
turn the server back on.
4. If the problem remains,
replace the power supply.
No ac power to 1. Replace the power supply.
the server or a
2. Make sure that the power
problem with
cord
the ac power
functioning powersource.
source and the
power supply
had detected an
internal
problem
Faulty power Replace the power supply.
supply
Faulty power Replace the power supply.
supply
is connected to
is connected to
2 Introduction
Notes
This is a
normal
condition
when no ac
a
power is
present.
This happens
only when a
second
a
power
supply is
providing
power to the
server.
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