HP Integrity rx1600 Operation and Maintenance Guide

Chapter 6
Troubleshooting
Troubleshooting and FRU identification
101
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.
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 Repair Actions
Problem or
Symptom
Problem
Indicators
Normal
Functioning
Indicators
Troubleshooting Steps Potential FRUs
No indication of
housekeeping
voltage present
when AC is
connected and
power switch is in
the off position.
• Standby LED
is off when AC
is plugged into
system.
• BMC
“heartbeat” not
flashing.
• Power LED Off.
• Power LED on MP
board (if installed)
should be lit solid
green.
• Standby LED on
system board is on
steady.
• BMC “heartbeat”
LED on system
board is flashing.(if
installed) should be
lit solid green.
1. AC must be present. Check that
PDU is plugged in.
2. Ensure there is a working power
supply. The LED on the supply
should be lit.
3. Check for an EFI shell prompt
(
CTRL+B) at console.
• No AC present
• Power supply
• Power distribution
• System board
• Display board
System will not
power on when
display panel
Power switch is
turned on.
• Display panel
power LED
stays off when
power is
turned on.
• System LED
may be
flashing
yellow
(attention
indication).
• Power switch on.
• Power LED on
steady green.
• System LED is off.
1. Ensure there is a working power
supply. The LED on the supply
should be lit.
2. Verify that standby voltage is
present. Check that the STBY LED
on the system board is lit.
3. Verify that the baseboard
management controller is
functioning. Check the heartbeat
(BMC) LED on the system board
is lit.
4. Check system event log (SEL).
Look for event log detail = Low
Voltage DC power. This indicates a
failure of one of the CPU power
pods. The failing CPU power pod
is indicated in the Source ID field.
• Power supply
• CPU power pod
• System board
• Intrusion switch on
chassis (cover not
completely closed)