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2) Check if fan motor and fan are hanged down.
Fan working sound can be louder if they are
not set right.
2. Any Touch Sound from Fan
Troubleshooting of Fan Noise
1. Fixing or Fastening of Fan Motor
1) Check if fan motor frame of the assembly is
fastened tightly with screws to the liner wall.
Unless it is tight, vibration of shaking can make.
1) Check if sealing sponge on the insulator
touches the fan.
If so, set it again not to touch it.
2) If any damage on the insulator around the fan
rotation is found, set the fan motor assembly right
not to touch it.
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