HP Netserver Service Handbook, Volume 2 - Mid

85
On = Steady green
Flash = Regular, slow flash (1 Hz)
Blink = Regular, fast flash
Double-blink = Irregular, double-flash
The diagnostic LEDs are located on the the processor board, are labeled DIMM 0 through 3, and correspond
to DIMM sockets 0 through 3. The LEDs are visible from either side of the board, and can also be viewed
through the NetServer's rear panel cooling perforations.
Diagnostic LEDs:
DIMM 3
DIMM 2
DIMM 1
DIMM 0
Memory Error Codes
LED
Code
Definition Action
Off
No DIMM installed
or
N/A (Normal)
Non-EEPROM DIMM installed
Reseat the DIMM or
Move it to another socket or
Replace DIMM
On HP DIMM installed N/A (normal)
Flash Inappropriate HP DIMM installed or
Replace with appropriate HP DIMM or
Run Diagnostic Assistant to find the
problem
Hard memory error Run Diagnostic Assistant to find the
problem
Blink Non-HP DIMM installed N/A (normal for non-HP DIMM)
Double
Blink
Inappropriate non-HP-DIMM installed
or
Hard memory error
Replace with appropriate DIMM or
Run Diagnostic Assistant to find the
problem
Run Diagnostic Assistant to find the
problem
Hard memory error Run Diagnostic Assistant to find the
problem
LED Processor Error Codes
Alternating LED
Codes:
LED LED LED LED
0 1 2 3
Definition Action
ON-OFF-OFF-ON &
OFF-ON-ON-OFF
Processor chip
overtemperature
Check fans for function. Wait for system to
cool down (20-25 minutes) and press the