HP L1000 - 9000 - 0 MB RAM, User Manual

Page: 101 / 231

Chapter 6
Troubleshooting
Troubleshooting and FRU identification
87
Troubleshooting and FRU identification
Once you have determined the current system state, you must troubleshoot the system to determine what the
problem symptoms are and what repair actions to take.
Problem Symptoms and Repair Actions
Use this guide to assist you in repairing the system by matching the problem symptom with the appropriate
troubleshooting step.
Table 6-1 Problem Symptoms and Repair Actions
Problem or
Symptom
Problem
Indicators
Normal
Functioning
Indicators
Troubleshooting Steps Potential FRUs
No indication
of
Housekeeping
voltage present
when AC
connected and
power switch
in Standby
position. Front Panel
Power LED
OFF when AC
is plugged into
system. • Power switch
Off.
• Front Panel
POWER LED
should be
FLASHING to
indicate
presence of
Housekeeping
voltage.
• Power LED on
GSP board
should be lit
solid green.
1. AC must be present.
Check that PDU is
plugged in.
2. Ensure there are 2
working power
supplies (1 supply for
rp5400). The LED on
each supply should
be lit.
3. Check for Service
processor prompt
(CTRL B at console).
• No AC
present
• Power
Supplies
• Power
Converter
• System
Board
• Display
Board