Normal Refrigerator Noises - Fagor FA3702 Mode D'emploi

6. NORMAL REFRIGERATOR NOISE
caused by the air flowing inside the refrigerator.
The insulation used amplifies sound levels.
All manuals and user guides at all-guides.com
The refrigerating gas may produce bubbling sounds as it flows through
the circuits.
The compressor may buzz and/or produce slight knocking, which may
be more marked on starting.
Cracking sounds produced by expansion and contraction of the
materials used.
If your apparatus has a ventilator, you will hear a whispering sound
11