9
2. When the power module is in Absent state, perform the follow tasks:
a. Remove and reinstall the power module to make sure the power module is installed
securely. Then execute the display power command to verify that the power module has
changed to Normal state. If the power module remains in Absent state, go to step b.
b. Remove a
nd install the power module into an empty power module slot. Then execute the
display power command to verify that the power module has changed to Normal state
in the new slot. If the power module remains in Absent state, go to step 4.
3. Remove a
nd install the power module into an idle power module slot. Then execute the
display power command to verify that the power module has changed to Normal state in the
new slot. If the power module remains in Fault state, go to step 4.
4. If the issue p
ersists, contact H3C Support.
Fan tray failure
Symptom
An operating fan tray or a newly installed fan tray has failed.
Troubleshooting flowchart
Figure 4 Troubleshooting fan tray failure
Solution
To resolve the issue:
1. Display fan tray information.
<Sysname> display fan
Slot 1:
Fan 1:
State : Normal
Airflow Direction: Port-to-power
Prefer Airflow Direction: Port-to-power
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