HP Netserver Service Handbook, Volume 2 - Mid

DIMM Slot LED Blink Codes

LED Error Codes

= LED on = LED off

Alternating Blink Code:

LED LED LED LED

0 1 2 3

Error Condition Corrective Action

Primary VRM Failure

Check that primary voltage regulator module

(VRM) is correctly seated. If problem persists,

replace VRM.

Secondary VRM

Failure

Check that secondary VRM is correctly

seated. If problem persists, replace VRM.

Processor Over-

Temperature

Check fan for function. Turn off system, wait

20-25 minutes for system to cool, and restart

system.

Processor or

Terminator Board Not

Installed

Install processor in primary processor socket

and a processor or terminator board in

secondary processor socket.

DIMM Status Error Codes

When no processor error condition exists, each diagnostic LED display the status of the DIMM in the

corresponding socket, as follows:

• OFF: no DIMM installed

• Flashes ON and OFF at 1 Hz in 50/50 proportion of time: defective or inappropriate DIMM

• Flashes ON and OFF at 1 Hz in 90/10 proportion of time: non-HP DIMM installed

• ON: HP DIMM installed