DE DIETRICH DKP821_823_825_833_837 - Manual (Page 104)

ENGLISH
104
Normal noises during operation
In order to maintain a constant temperature, the motor on the appliance starts to run
regularly. Any noise this makes are completely normal operating noises, they decrease
automatically as soon as the refrigerator has reached the required temperature. These noises
are as follows:
Minor faults
Some incidents may occur during the use of the appliance. Before calling the service depart-
ment, consult the manual to see if you can rectify these yourself:
Noises and minor faults
NOISE
Humming
Heard from the motor. Louder humming when the motor
starts up
Cooling fluid is flowing through the tubes in the refrigerator
These are always heard when the thermostat starts or the
motor stops
If the appliance is fitted with a fan (depending on the model),
the air circulating inside causes a slight background noise.
Gurgling or slight humming
Click
Slight background noise
CAUSE
FAULT
The outer walls are warm
- this is completely normal, it prevents mist forming on the
outside of the appliance
- check the settings on the appliance, and that the temperature
has not been set too low (see chapter "Setting the temperature
for the refrigerator")
- check that the meat has not been kept in the freezer for too
long. See the table in the chapter "Guide to freezing food"
- check that the meat has not been kept in the freezer for too long.
See the table in the chapter "Guide to freezing food"
Certain foods have not frozen
completely
Frozen meat displays white lines
REMEDIAL ACTION
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