POST Error Messages

POST Diagnostic Front Panel LEDs and Audible Codes (Continued)

Activity

Beeps

Possible Cause

 

Recommended Action

 

 

 

 

 

Red Power LED

9

System powers on

1.

Check that the voltage selector,

flashes nine times,

 

but is unable to

 

located on the rear of the power

once every

 

boot.

 

supply (some models), is set to the

second, followed

 

 

 

appropriate voltage. Proper voltage

by a two second

 

 

 

setting depends on your region.

pause. Beeps stop

 

 

2.

Replace the processor.

after fifth iteration

 

 

 

 

3.

Replace the system board.

but LEDs continue

 

 

 

 

 

 

until problem is

 

 

 

 

solved.

 

 

 

 

 

 

 

 

 

Red Power LED

10

Bad option card.

1.

Check each option card by removing

flashes ten times,

 

 

 

the card (one at a time if multiple

once every

 

 

 

cards), then power on the system to

second, followed

 

 

 

see if fault goes away.

by a two second

 

 

2.

Once a bad card is identified, remove

pause. Beeps stop

 

 

 

 

 

and replace the bad option card.

after fifth iteration

 

 

 

 

 

3.

Replace the system board.

but LEDs continue until problem is solved.

 

C–12

433611-001

Service Reference Guide, dx7730