The ventilation cross-sections have been covered or become dusty.
Make sure that the air can circulate.
Remove dust regularly.
The refrigeration appliance/wine unit compressor runs constantly (loud buzzing). The temperature in the refrigeration appliance/wine unit decreases.
Make sure that the air can circulate.
Remove dust regularly.
No remedy required.
No remedy required.
Check whether the appliance door is blocked and remove any foreign objects.
Check that the appliance doors are seated correctly and use the screws in the door hinges to adjust them if necessary.
Defrost the freezer zone.
Set the correct temperature.
Ensure a lower ambient temperature.
Install the refrigeration appliance/wine unit in the niche as described in the installation instructions.
No remedy required.