TROUBLE DIAGNOSIS
CLAIMS. HOW TO CHECK
7. Sounds
CAUSES AND CHECK POINTS.
1) Compressor compartment operating sounds.
Transformer sound. Badconnection.--Correct screwconnection.
Drip tray vibration sound., Badassembly.
Distortion.
Foreignmaterialsinside.
Back cover machine sound. _ Badconnection.
Partlydamaged.
Condenser drain sound. _ Notconnected.
L Badpipecaulking.
2) Freezer compartment sounds.
Fan motor sound. • Normaloperatingsound.
L Vibrationsound._ Old,dried,or crackedbushing
Badtorqueforassemblingmotor
bracket.
Sounds from fan Fanguidecontact.
contact. Shroudburrcontact.
Dampingevaporatorcontact.
Residualfrostcontact.
Damagedheatercord.
T
Narrowevaporatorinterval.
Unbalance fan sounds_ Unbalance. Surfacemachiningconditions.
Fandistortion.
Misshappen.
Burr.
Iceonthefan.-- Air intake(oppositeto motor
bushingassembl_)
Motor shaft _ Supporterdisorted.
contact sounds. _ Jiltedduringmotorassembly.
Resonance.
Evaporator noise. Evaporatorpipecontact.-- Nodampingevaporator.
Soundfromrefrigerant.-- Stainlesssteelpipeshapein
accumulator.
Soundfromfinevaporatorandpipeduringexpansion
andcontraction.
3) Bowls and bottles make contact on top shelf.
4) Refrigerator roof contact.
5) Refrigerator side contact.
6) Insufficient lubricants on door hinge.
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