Troubleshooting And Fru Identification - HP Integrity rx1620 Operation Manual

Troubleshooting

Troubleshooting and FRU identification

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 5-1 Problem Symptoms Repair Actions
Problem or Problem
Symptom Indicators
No indication of • Standby
housekeeping LED is off
voltage present when AC is
when AC is plugged into
connected and system.
power switch is
in the off • BMC
position. "heartbeat"
not flashing.
80
Normal
Functioning
Indicators
• Power LED Off. 1. AC must be present. Check
that PDU is plugged in.
• Power LED on
MP board (if 2. Ensure there is a working
installed) should power supply. The LED on the
be lit solid green. supply should be lit.
• Standby LED 3. Check for an EFI shell
on system board prompt (
is on steady.
• BMC
"heartbeat" LED
on system board
is flashing.(if
installed) should
be lit solid green.
Troubleshooting Steps
) at console.
CTRL+B
Potential FRUs
• No AC present
• Power supply
• Power
distribution
• System board
• Display board
Chapter 5