Bosch KGN 57 PI 20 U 用户手册

Motors are running (e.g. refrigerating 

units, fan).
Bubbling, humming or gurgling noises

Refrigerant is flowing through the tubing.
Clicking

Motor, switches or solenoid valves are 

switching on/off.
Cracking

Automatic defrosting is running. 

Please align the appliance with a spirit 

level. Use the height-adjustable feet 

or place packing underneath them.
The appliance is not free-standing

Please move the appliance away 

from adjacent units or appliances.
Containers or storage areas wobble 

Please check the removable parts 

and re-insert them correctly if required.
Bottles or receptacles are touching 

Move the bottles or receptacles slightly 

away from each other.