16Tips for saving energy▯ Install the appliance in a dry, well ventilated room!The appliance should not be installed in directsunlight or near a heat source (e.g. radiator,cooker).If required, use an insulating plate.▯ Allow warm food and drinks to cool down beforeplacing in the appliance.▯ Thaw frozen food in the refrigerator compartmentand use the low temperature of the frozen foodto cool refrigerated food.▯ Open the appliance as briefly as possible.▯ To avoid increased power consumption,occasionally clean the back of the appliance.▯ If available:Fit wall spacers to obtain the indicated energyrating of the appliance (see Installationinstructions). A reduced wall gap will not restrictthe function of the appliance. The energy ratingmay then increase slightly. The gap of 75 mmmust not be exceeded.▯ The arrangement of the fittings does not affectthe energy rating of the appliance.Operating noisesQuite normal noisesDroningMotors are running (e.g. refrigerating units, fan).Bubbling, humming or gurgling noisesRefrigerant is flowing through the tubing.ClickingMotor, switches or solenoid valves are switching on/off.CrackingAutomatic defrosting is running.Preventing noisesThe appliance is not levelPlease align the appliance with a spirit level. Usethe height-adjustable feet or place packingunderneath them.The appliance is not free-standingPlease move the appliance away from adjacent unitsor appliances.Containers or storage areas wobble or stickPlease check the removable parts and re-insert themcorrectly if required.Bottles or receptacles are touching each otherMove the bottles or receptacles slightly awayfrom each other.