Troubleshooting Flowchart; Solution - HP 5920 series Troubleshooting Manual

Troubleshooting flowchart

Figure 17 Flowchart for troubleshooting fan failure
Display fan operating status
Preferred airflow direction
is the fan airflow direction?
Fans are damaged?
Contact the support

Solution

To resolve the problem:
1. Verify that the preferred airflow direction specified for the fans is the same as the airflow direction
of the fans:
a. Display fan operating status.
[Sysname]display fan
Slot 1
b. If the preferred airflow direction is different, use the fan prefer-direction slot slot-number
{ power-to-port | port-to-power } command to change the setting.
[Sysname] fan prefer-direction slot 1 port-to-power
c. Verify the modification.
[Sysname]display fan
Slot 1
Fan failure
Yes
No
FAN 1
State : FanDirectionFault
Wind Direction
Prefer Wind Direction
FAN 2
State : FanDirectionFault
Wind Direction
Prefer Wind Direction
No
Change the preferred
airflow direction
Yes
Replace the fan tray
:Port-to-Power
:Power-to-Port
:Port-to-Power
:Power-to-Port
47
Yes
Resolved?
No
Yes
Resolved?
No
End