A Fan Module Is Malfunctioning - Huawei S2700 Hardware Installation And Maintenance Manual

S2700&S3700&S5700&S6700 Switch
Hardware Installation and Maintenance Guide
Troubleshooting Procedure
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2.

12.3.2 A Fan Module Is Malfunctioning

Fault Description
The display fan command output shows that the fan status is abnormal.
Possible Causes
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Troubleshooting Procedure
1.
2.
Issue 13 (2017-11-20)
Remove the fan module from the chassis and check whether the fan blades are blocked
or whether they are heavily soiled with dust.
– If the fan blades are blocked, remove the obstacle.
– If the fan blades are heavily soiled with dust, use a brush to clean them.
If the problem persists, replace the fan module with another one of the same model. If
the new fan module works normally, the original fan module is faulty.
The fan module hardware is faulty.
Fan blades are blocked or heavily soiled with dust.
Check whether the fan module is securely installed in the fan slot and whether the fan
blades are blocked or heavily soiled with dust. If any of the preceding conditions occurs,
rectify the fault according to
Red.
If the fault persists, replace the fan module.
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Indicator of a Fan Module Is Steady Red or Blinking
12 Hardware Troubleshooting
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