Daewoo FRN-U20IB series Service Manual page 69

9-4-3. Fan Noise
Remarks
● 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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Fan is damaged
or transformed ?
N
Fan is touching
the surround ?
N
Fan-motor assembly
is moving or shaking ?
N
Motor has its own noise
or vibration when working ?
N
Explain to the customers
how fan is working to
circulate cold air in the
compartments.
Y
Y
Y
Y
68
Change the fan.
Set it right not to touch.
Set it right not to move.
Change the motor
assembly.