Hkoenig GSX22 Manuel D'utilisation page 7

Remove any label or stickers. Wash the accessories in
warm soapy water, dry with a dry towel. Do not immerse
the supply cord or motor part of this appliance in water
or any other liquids.
This appliance has a built-in safety lock; this feature
ensures that you can only switch on the appliance if you
have assembled the juicer correctly on the motor unit.
When assembled correctly, the built-in safety lock will
be unlocked.