Led Indicators - HP 744 Hardware User Manual

Table 6-1
SYSFAIL
(Red)
Off
On
On
On
On
On
Off
6-4
Solving Problems
Interpreting the LEDs
Table 6-1 provides information on the red and green LEDs.

LED Indicators

POWER
(Green)
Off
2Hz Flash
Off
1 Flash/sec.
4 Flash/sec.
On
On
Meaning
No Power
Normal Power-on/self-
test
Memory Failure
CPU (board) Failure
No console identified
OS is booted with
VME services failure
OS is booted with
VME services OK
Possible Solution
Check for board seating in
chassis.
Troubleshoot for failed RAM
card or problem with the
RAM connection.
Replace the system board.
Check the console search
path and keyboard connec-
tions. If no problem is found,
replace the system board.
Check the Operating System
VME services. Check that
VME services is configured
in the kernel.