
Troubleshooting 3-9
5.
This message will be displayed for approximately 10 seconds after AC power is lost. Once AC
power is restored, the system will power up provided the key switch is either ON or in the
"SERVICE" position. This condition does NOT require cycling of the key switch.
6.
These three messages will cycle as the system retries to access the power supply.
7.
This fault indicates a watchdog timer error has occurred. The watchdog timer is the Power Monitor
card microprocessor fault detector. If this fault occurs, the Display panel will contain the last
message written to the Panel by PDC or the O/S. The fans will not be running and the Display Panel
backlight will be out.
Display Panel Troubleshooting
The Display Panel is connected to the Power Monitor card via a ribbon cable. Use Table 3-5 to determine
the error condition and suggested action:
Key Switch Troubleshooting
The key switch is connected to the Power Monitor card via a ribbon cable. Use Table 3-6 to determine the
error condition and suggested action:
Table 3-5. Display Panel Troubleshooting
Symptom
Cause
Action
Backlight is on but Display Panel
is blank
No contrast control from Power
Monitor card
1. Replace PM card
2. Replace Display Panel
3. Replace ribbon cable
Display Panel data is dim
Defective contrast control circuitry
1. Replace PM card
2. Replace Display Panel
Display Panel Data is garbled or
unreadable
Data not being correctly decoded by
Display panel
1. Replace Display Panel
Display Panel displays power
monitor messages, but does not
display O/S data
PDH not issuing messages to the
display panel
1. Replace System Board
Table 3-6. Key Switch Troubleshooting
Symptom
Cause
Action
System does not power up when
key switch is on (no error mes-
sages on Display Panel)
Key switch position not being
detected by the PM card, or the Key
switch is defective
1. Replace PM card
2. Replace Key switch
3. Replace Ribbon cable
Service position does not allow
Control B functionality
"SERVICE" position signal not
being detected by the Access Port
(AP)
1. Replace Core I/O Card
2. Replace System Board
3. Replace PM card
Summary of Contents for 3000/9x9KS Series
Page 14: ...xiv Contents E Sources of Information on the Web ...
Page 28: ...2 8 Install and Configuration Figure 2 4 HP PB I O Slot Location Diagram Kx70 Kx80 ...
Page 44: ...2 24 Install and Configuration ...
Page 68: ...3 24 Troubleshooting HP 3000 Core I O Figure 3 4 HP 3000 Core I O ...
Page 120: ...5 6 Diagnostics ...
Page 128: ...6 8 Replaceable Parts Figure 6 4 Peripheral Bay Expanded View ...
Page 136: ...6 16 Replaceable Parts ...
Page 150: ...7 14 Removal and Replacement Figure 7 11 Peripheral Bay Rear View ...
Page 180: ...7 44 Removal and Replacement Figure 7 35 Cabinet Exploded View Rear ...
Page 209: ...SCSI and I O 8 21 Figure 8 3 A3629A ST19171WD J2 and J6 Jumper Settings ...
Page 217: ...SCSI and I O 8 29 Figure 8 7 A3353A source 2 J3 Jumper Positions ...
Page 218: ...8 30 SCSI and I O Figure 8 8 A3353A source 2 Option Connector Jumper Positions ...
Page 280: ...8 92 SCSI and I O Diagnostics CSTM SCSIDDS SYSMAP IOMAP ...
Page 298: ...8 110 SCSI and I O Diagnostics SCSICD IOMAP SYSMAP ...
Page 302: ...8 114 SCSI and I O ...
Page 308: ...Support Information B 2 HP 9x9KS Block Diagram Figure B 1 HP 3000 9x9KS Block Diagram ...
Page 309: ...B 3 Support Information HP K100 Block Diagram Figure B 2 HP 9000 K100 Block Diagram ...
Page 310: ...Support Information B 4 HP K2x0 K4x0 Block Diagram Figure B 3 HP 9000 K2x0 K4x0 Block Diagram ...
Page 311: ...B 5 Support Information Kx70 Kx80 Block Diagram Figure B 4 HP9000 Kx70 Block Diagram ...
Page 342: ...Memory Configuration Guidelines C 16 ...
Page 350: ...D 8 New System Features ...