Troubleshooting Scenarios And Solutions - HP Xw6600 - Workstation - 2 GB RAM Technical Reference Manual

Table 5-1 Diagnostic LED codes (continued)
Chassis indicator LEDs
Power LED and sound
activity
Blinks red 5 times (once per
second), then a 2-second
pause, and then 5 beeps
Blinks red 6 times (once per
second), then a 2-second
pause, and then 6 beeps
Blinks red 7 times (once per
second), then a 2-second
pause, and then 7 beeps
Blinks red 8 times (once per
second), then a 2-second
pause, and then 8 beeps
Blinks red 9 times (once per
second), then a 2-second
pause, and then 9 beeps

Troubleshooting scenarios and solutions

This section presents an extensive overview of various troubleshooting scenarios and includes possible
solutions for each.
108 Chapter 5 System diagnostics and troubleshooting
Diagnosis and service action
Replace the device causing the failure. Continue adding devices to ensure all are
functioning properly.
4. Verify the power supply functionality.
a. Disconnect AC power.
b. Remove all internal power supply cables from the system board.
c. Plug in AC power.
●
If the power supply fan spins and the LED illuminates (see
power supply on page
the system board.
●
If the power supply fan does not spin or the LED does not illuminate
(see Testing power supply on page
Pre-video memory error
1. Ensure that the memory modules are loaded correctly in pairs (refer to the
Memory section in Chapter 4, ).
2. Reseat memory modules.
3. Replace memory modules one at a time to find the faulty module.
4. Replace third-party modules with HP memory.
5. Replace the system board.
Pre-video graphic card error:
1. Reseat the graphics card. Power on the workstation.
2. Replace the graphic card.
3. Replace the system board.
System board failure (ROM detected a failure before video). Replace system board.
Invalid system ROM based on bad checksum
Entering FailSafe (Boot Block) recovery mode
1. Reflash the system ROM. (See the FailSafe Boot Block ROM section in Chapter
3.)
2. Replace the system board.
System powers on, but is unable to boot.
1. Replace the system board.
2. Replace the processor.
111), then the power supply is good. Replace
111), replace the power supply.
Testing
ENWW