Troubleshooting And Fru Identification - HP Integrity rx1600 Operation And Maintenance Manual

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 Problem
Symptom Indicators
No indication of • Standby LED
housekeeping is off when AC
voltage present is plugged into
when AC is system.
connected and
power switch is in • BMC
the off position. "heartbeat" not
flashing.
System will not • Display panel
power on when power LED
display panel stays off when
Power switch is power is
turned on. turned on.
• System LED
may be
flashing
yellow
(attention
indication).
Chapter 6
Normal
Functioning
Indicators
• Power LED Off. 1. AC must be present. Check that
PDU is plugged in.
• Power LED on MP
board (if installed) 2. Ensure there is a working power
should be lit solid supply. The LED on the supply
green.
should be lit.
• Standby LED on 3. Check for an EFI shell prompt
system board is on ( CTRL+B
steady.
• BMC "heartbeat"
LED on system
board is flashing.(if
installed) should be
lit solid green.
• Power switch on. 1. Ensure there is a working power
supply. The LED on the supply
• Power LED on should be lit.
steady green.
2. Verify that standby voltage is
• System LED is off. 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.
Troubleshooting and FRU identification
Troubleshooting Steps
) at console.
Troubleshooting
Potential FRUs
• No AC present
• Power supply
• Power distribution
• System board
• Display board
• Power supply
• CPU power pod
• System board
• Intrusion switch on
chassis (cover not
completely closed)
101