Operations Guide, Fourth Edition - HP Integrity rx1620

Table 4-1 Problem Symptoms Repair Actions
Potential FRUsTroubleshooting StepsNormal Functioning
Indicators
Problem
Indicators
Problem or
Symptom
• No AC present
• Power supply
• Power distribution
• System board
• Display board
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.
• 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.
• Standby LED
is off when AC
is plugged into
system.
• BMC
“heartbeat” not
flashing.
No indication of
housekeeping
voltage present
when AC is
connected and
power switch is
in the off
position.
• Power supply
• CPU power pod
• System board
• Intrusion switch on
chassis (cover not
completely closed)
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 switch on.
• Power LED on
steady green.
• System LED is
off.
• Display panel
power LED
stays off when
power is turned
on.
• System LED
may be flashing
yellow
(attention
indication).
System will not
power on when
display panel
Power switch is
turned on.
• Processors
• Processor support
modules
• Memory
• System board
• Console
1. Check that the console is
properly connected and that you
can communicate with the BMC
(CTRL+B should get you the MP
login prompt).
2. Check system event log (SEL).
Look for entries related to:
• Processors
• Processor support modules (also
known as power pods).
• Memory
3. Check for a red LED on the MP
card if installed. If lit red, the
problem is with the MP.
4. Reduce to minimum
configuration and troubleshoot
from there.
• Display panel
power LED is
steady green.
• System events are
being displayed at
the console.
[
• EFI Main Menu
prompt.
• Display panel
power LED is
not steady
green.
• No system
events are being
displayed at the
console.
• There is no
EFI Main Menu
prompt at the
console.
No EFI Main
Menu prompt.
Troubleshooting and FRU identification 77