HP xw Series Setup And Troubleshooting Manual page 35

Table 5-3 Diagnostic Lights and Audible Codes (continued)
Activity
Red Power LED blinks four times
once every second, followed by a
two-second pause.(only on
xw4200, xw4300, and xw9300)
Red Power LED blinks five times,
once every second, followed by a
two-second pause.
Red Power LED blinks six times,
once every second, followed by a
two-second pause.
Red Power LED blinks seven times,
once every second, followed by a
two- second pause.
Red Power LED blinks eight times,
once every second, followed by a
two-second pause.
Red Power LED blinks nine times,
once every second, followed by a
two-second pause.
Beeps Possible Cause
4 Power failure (power supply is
overloaded)
5 Pre-video memory error
6 Pre-video graphics error.
7 System board failure (ROM detected
failure prior to video).
8 Invalid ROM based on bad
checksum.
9 System powers on but does not boot.
Recommended Action
1. Open the access panel and ensure the
4-wire (xw4200 and xw4300) or the
8-pin/wire (xw6200, xw8200, and
xw9300) power supply cable is seated
into the connector on the system
board.
2. Check if a device is causing the
problem by removing ALL attached
devices (such as hard, diskette, or
optical drives, and expansion cards.)
Power on the system. If the system
enters the POST, then power off and
replace one device at a time and
repeat this procedure, until failure
occurs. Replace the device that is
causing the failure. Continue adding
devices one at a time to ensure all
devices are functioning properly.
3. Check the power supply functionality.
a. Disconnect the AC power.
b. Remove all internal power supply
cables from the system board.
c. Plug in the AC power.
• If the power supply fan spins
and the BIST LED lights, the
power supply is functional, so
replace the system board.
• If the power supply fan does not
spin or the BIST LED does not
light, replace the power supply.
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate faulty module.
3. Replace third-party memory with HP
memory.
4. Replace the system board.
1. Reseat the graphics card.
2. Replace the graphics card.
3. Replace the system board.
Replace the system board.
1. Upgrade the ROM using a ROMPaq
diskette. See the "ROM Flash" section
of the Service and Technical Reference
Guide at www.hp.com/support/
workstation_manuals. A ROMPaq is a
software support bundle of files that
allows you to upgrade your ROM.
2. Replace the system board.
1. Replace the system board.
2. Replace the processor.
Basic Troubleshooting 35