Diagnostics And Troubleshooting On; System Fans; Resetting The Power Supply - HP Z800 Maintenance And Service Manual

To reach zero power consumption, unplug the workstation from the power outlet or use a power strip
with an on/off switch. For additional information about power-saving features, see the operating system
documentation.
See the Site preparation guide for the HP Z800 workstation at
workstation_manuals
This product is in compliance with U.S. Executive Order 13221.

System fans

This workstation includes:
Two rear system fans
●
One CPU0 fan
●
One CPU1 fan (optional)
●
Two power supply fans
●
Two memory fans
●
One upper front system fan
●
One lower front system fan (optional)
●
In addition, some graphics cards include onboard fans.

Resetting the power supply

If an overload triggers the power supply overload protection, power is immediately disconnected.
To reset the power supply:
1. Disconnect the power cord from the workstation.
2. Determine what caused the overload and fix the problem. For troubleshooting information, see
Diagnostics and troubleshooting on page
3. Reconnect the power cord and restart the workstation.
When you power off the workstation through the operating system, power consumption falls below
what is considered low power consumption but does not reach zero. This low power consumption
feature extends the life of the power supply.
ENWW
for further power consumption information.
http://hp.com/support/
213.
Specifications 13