Getting Started

Diagnostic Front Panel LEDs and Audible Codes

 

 

Possible

Recommended

Activity

Beeps

Cause

Action

 

 

 

 

 

Red Power LED

4

Power failure

1.

Open the hood and

flashes four

 

(power supply is

 

ensure the 4-wire

times, once every

 

overloaded).

 

power supply cable

second, followed

 

 

 

is seated into the

by a two second

 

 

 

connector on the

pause. The beeps

 

 

 

system board.

continue for five

 

 

2.

Check if a device is

iterations, then

 

 

 

 

 

causing the problem

stop. The LED

 

 

 

 

 

 

by removing ALL

flashes continue

 

 

 

 

 

 

attached devices

until the problem

 

 

 

 

 

 

(such as hard,

is resolved.

 

 

 

 

 

 

diskette, or optical

Beeps may

 

 

 

drives, and

not occur

 

 

 

expansion cards).

on all

 

 

 

Power on the system.

models for

 

 

 

If the system enters

this activity.

 

 

 

the POST, then

 

 

 

 

power off and

 

 

 

 

replace one device

 

 

 

 

at a time and repeat

 

 

 

 

this procedure until

 

 

 

 

failure occurs.

 

 

 

 

Replace the device

 

 

 

 

that is causing the

 

 

 

 

failure. Continue

 

 

 

 

adding devices one

 

 

 

 

at a time to ensure all

 

 

 

 

devices are

 

 

 

 

functioning properly.

 

 

 

3. Replace the power

 

 

 

 

supply.

 

 

 

4.

Replace the system

 

 

 

 

board.

 

 

 

 

 

26

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Getting Started