HP Z800 Maintenance And Service Manual page 265

Table 6-10
Screen message
514—Memory fan not
detected
515—CPU Overtemp ocurrred
516—Chipset fan not detected Chipset fan missing, disconnected, or
517—Low power CPU
heatsink(s) detected for high
power CPUs
518—Power supply wattage
insufficient for hardware
configuration
601—Diskette Controller Error
605—Diskette Drive Type
Error
610—External Storage Device
Failure
611—Primary Floppy Port
Address Assignment Conflict
912—Computer Cover Has
Been Removed Since Last
System Start Up
913—Front 1394 Not
Connected
916—Power Button Not
Connected
917—Front Audio Not
Connected
ENWW
POST error messages (continued)
Probable cause
Memory fan missing, disconnected, or
defective.
Insufficient processor cooling or
processor defect.
defective.
Inadequate heatsink is installed.
Workstation configuration requires
more power than the power supply
can provide.
Diskette controller circuitry or diskette
drive circuitry incorrect.
Mismatch in drive type.
External storage device is not
detected, is improperly connected, or
is defective.
The flexible disk drive is configured at
a previously assigned address.
N/A
Front 1394 device cable is
disconnected from the system board.
Power button cable is disconnected
from the system board.
Front audio mechanism is missing or is
not connected.
Recommended action
1. Verify that the memory fan is installed and
connected properly.
2. Replace the fan.
1. If necessary, add a heatsink to the processor and
ensure proper operation.
2. Replace the processor.
1. Ensure that the fan is installed and connected
properly.
2. Replace the fan.
Replace the low power heatsink with a high power
heatsink.
● Reduce the workstation power consumption.
Replace the power supply with a high output
●
power supply.
1.
Run the Computer Setup (F10) utility.
2. Verify cabling and replace defective cables if
necessary.
3. Clear CMOS.
4. Replace the diskette drive.
5. Replace the system board.
1.
Run the Computer Setup (F10) Utility.
2. Disconnect any other diskette controller devices
(tape drives).
3. Clear the CMOS.
1. Verify that the external device is present and
connected properly.
2. Replace the external device.
Select a new address for the flexible disk drive.
No action required.
Reconnect the 1394 cable and restart.
Reconnect the cable and restart.
1.
Reconnect or replace the front audio cable.
2. Reconnect or replace the front audio mechanism.
Diagnostic codes and errors 253