Tecal RH5485 Server
Problem Determination and Service Guide
2 Introduction
Issue 02 (2011-05-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-9
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.
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
Description
Action
Notes
AC
DC
Error
Off
Off
Off
No ac power to
either
power
supply
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 powersource.
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.
-