9
Solution
To resolve the problem:
1.
Execute the
display fan
command to display the operating states of the fan tray.
[H3C]display fan
Slot 3:
Fan 1:
State : FanDirectionFault
Airflow Direction: Power-to-port
Prefer Airflow Direction: Port-to-power
Fan 2:
State : FanDirectionFault
Airflow Direction: Power-to-port
Prefer Airflow Direction: Port-to-power
Fan 3:
State : FanDirectionFault
Airflow Direction: Power-to-port
Prefer Airflow Direction: Port-to-power
{
If the fan tray is in
FanDirectionFault
state, the airflow direction of the fan tray is not as
configured. Replace the fan tray with a fan tray that has the same airflow direction as the
equipment room, or use the
fan prefer-direction
command to change the preferred airflow
direction.
{
If the fan tray is in
Absent
state, go to step
.
{
If the fan tray is in
Fault
state, go to step
.
2.
Remove and reinstall the fan tray to make sure the fan tray is installed securely. Then execute
the
display fan
command to verify that the fan tray has changed to
Normal
state. If the fan tray
remains in
Absent
state, replace the fan tray.
3.
Execute the
display environment
command to display temperature information. If the
temperature continues to rise, put your hand at the air outlet to feel if air is being expelled out of
the air outlet. If no air is being expelled out of the air outlet, remove and reinstall the fan tray.
Then execute the
display fan
command to verify that the fan tray has changed to
Normal
state.
If the fan tray remains in
Fault
state, replace the fan tray.
You must make sure the switch operating temperature is below 60°C (140°F) while you replace
the fan tray. If a new fan tray is not readily available, power off the switch to avoid damage
caused by high temperature.
4.
If the problem persists, contact H3C Support.
Related commands
This section lists the commands that you might use for troubleshooting the hardware.
Command Description
