9-4-3. Fan Noise
Start
Fan is damaged | Y |
or transformed ? |
|
N |
|
Fan is touching | Y |
the surround ? |
|
N |
|
Y | |
is moving or shaking ? |
|
N |
|
Motor has its own noise | Y |
| |
or vibration when working ? |
|
N |
|
|
|
Explain to the customers |
|
how fan is working to |
|
circulate cold air in the |
|
compartments. |
|
|
|
Remarks
Change the fan.
Set it right not to touch.
Set it right not to move.
Change the motor assembly.
●The fan is sending out cold air to circulate it through the compartments.
When the air is touching the surface of louver or liner wall, such sound can make.
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