NonStop S-Series Hardware Installation and FastPath Guide (G06.29+)

Troubleshooting
HP NonStop S-Series Hardware Installation and FastPath Guide—541880-002
D-35
System Consoles
System Unit Is Inoperative
Table D-5. System Unit Is Inoperative
Symptom Recovery
None of the indicator lights
on the system unit are lit,
and the hard-disk drive and
cooling fan are not
operating.
1. Ensure that the system unit power cord is securely
attached to its connector on the system unit and to the
power source.
2. Verify that the power switch on the system unit is in the
on position.
3. Verify that power is available from the power source.
4. Try restarting the system console by pressing
Ctrl-Alt-Del and selecting Restart.
5. If restarting the system console does not work, power off
the system console.
6. Disconnect the system unit power cord from the power
source. Examine the cable, connector, and receptacle for
damage such as connector housing cracks, and frayed
or broken cable wires and insulation. Disconnect the
power cord from the system unit and repeat this
examination.
7. Reconnect the power cord, first to the system unit and
then to the power source.
8. Power on the system console and recheck the system
unit operation.