– 9– Pump leaks, safety valve not tight.Note: 3 drops/minute are allowed. With stronger leak, have devicechecked by customer service.– Nozzle is set to "High pressure" Set nozzle to "CHEM".– External detergent container is empty. Fill/replace external detergent contain-er.– Filter at the detergent suction hose dirty Clean filter.Illustration– Backflow valve stuck Remove the detergent hose and loosenthe backflow valve using a blunt object.– Fuel tank empty. Refill fuel.– Water shortage Check water supply, check connec-tions.– Water flow temperature too hot. Fill in water with a max. temperature of30°C.Illustration– Fuel filter dirty Change fuel filter.If malfunction can not be fixed, the de-vice must be checked by customer ser-vice.The warranty terms published by our com-petent sales company are applicable ineach country. We will repair potential fail-ures of the appliance within the warrantyperiod free of charge, provided that suchfailure is caused by faulty material or de-fects in fabrication.– Only use accessories and spare partswhich have been approved by the man-ufacturer. The exclusive use of originalaccessories and original spare partsensures that the appliance can be oper-ated safely and trouble free.– At the end of the operating instructionsyou will find a selected list of spare partsthat are often required.– For additional information about spareparts, please go to the Service sectionat www.kaercher.com.Device leaks, water drips from thebottom of the deviceDevice is not sucking in detergentBurner does not startCustomer ServiceWarrantyAccessories and Spare Parts12 EN