HP Model 743 PC User Manual

Page 108

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6-4

Solving Problems

Interpreting the LEDs

Table 6-1

LED Indicators

SYSFAIL

(Red)

POWER

(Green)

Meaning

Possible Solution

Off

Off

No Power

Check for board seating in
chassis.

On

2Hz Flash

Normal Power-on/self-
test

On

Off

Memory Failure

Troubleshoot for failed RAM
card or problem with the
RAM connection.

On

1 Flash/sec.

CPU (board) Failure

Replace the system board.

On

4 Flash/sec.

No console identified

Check the console search
path and keyboard connec-
tions. If no problem is found,
replace the system board.

On

On

OS is booted with
VME services failure

Check the Operating System
VME services. Check that
VME services is configured
in the kernel.

Off

On

OS is booted with
VME services OK

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