HP zx2000 Setup And Troubleshooting Manual page 39

Table 4-13 Diagnostic Lights and Audible Codes
Activity
NOTE: For the following LED activity and beeps, the beeps will be heard through the on–board speaker and not the
chassis speaker. Blinks and beeps will be repeated for 5 cycles, after that, only the blinks will continue to repeat.
Red Power LED blinks four
times once every second,
followed by a two-second
pause.(only on xw4200 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.
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).
Recommended Action
1. Open the hood and ensure the 4-
wire (xw4200) 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. Replace the power supply.
4. Replace the system board.
1. Reseat DIMMs. Power on the
system.
2. Replace DIMMs one at a time to
isolate faulty module.
Replace third-party memory with
3.
HP memory.
4. Replace the system board.
For systems with a graphics card:
1. Reseat the graphics card. Power
on the system.
2. Replace the graphics card.
Replace the system board.
3.
Replace the system board.
Basic Troubleshooting 31