There is an abnormal noise in the dryer.
Itisnormal.
Reassemblethedoorseal.
(Checktheassembledconditionofthedoor
sealandcheckthedoorlever)
Doyouheara
whistlingsoundfrom
thedoorseal?
Yes
No
1. Checktheroller.
(Checktherollerthatsupportsthedrum
and rotates)
2. Checkthedrum.
(Checkifthedrumweldingiscracked)
Doesthenoisecome
fromthedrum?
Yes
No
1. Checktherotatingpartoftheidler.
(Idlerbracketbending,bracketscrew)
2. Removeanyalienparticleonthewingsof
thefan.
(Noisecanbegeneratedfromthe
unbalanceofthefanduetoalienparticle
onthefan.Checkthetightenedcondition
ofthenut.)
Isthereanabnormal
noiseinthemotor
part?
Yes
No
1. Noisefromdrumbackandheaterduct
movement.
(Changethecontactingpartandcheck
thescrewxation)
2. Vibrationofheaterheatwire.
(Checkthexationpartoftheheatwire)
Isthereanabnormal
noisefromtheheater
part?
Yes
No