Haier HFR7819ENGC Manuel D'utilisation page 19

Use
GB
Adjust the temperature for Freezer
Unlock the settings by long pressing key "Q" for 3
seconds.
Under unlock state, press key "K" (Compartment
selection) to toggle across compartments. When
indicator "B" (Freezer Compartment indicator) lights
up, press key "J" (Temperature control "-") or key "L''
(Temperature control"+") to adjust Freezer
compartment temperature. Value displayed on
indicator "C" dec reases by 1°C when key "J" is
pressed each time. The display flahes and turns solid
with the set temperature, then goes off after a few
seconds. Accordingly, value displayed on indicator "C"
increases by 1°C when key "L" is pressed each time.
The display flahes and turns solid with the set
temperature, then goes off after a few seconds.
Freezer compartment temperature can be adjusted
from -14°C to -24°C with 1°C incremental.
Notice
Freezer temperature can't be adjusted under Super-Freeze, Auto set and lock state.
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