– 9– Leak in the high pressure system Check high pressure system and con-nections for tightness.– Filter in the detergent suck hose dirty Clean filter.– 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. Clean sieve in the water shortage safeguard.– Fuel filter dirty Change fuel filter.– No ignition spark If device is in use and no ignition sparkcan be seen through the viewing glass,have device checked by customer ser-vice.– Sooty heating spiral Have device de-sooted by customerservice.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.Note: When connecting the appliance to achimney or if the device cannot be ac-cessed visually, we recommend the instal-lation of a flame monitor (option).– 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 turns on and off while handspray gun is closedDevice is not sucking in detergentBurner does not startSet temperature is not achievedwhile using hot waterWarrantyAccessories and Spare Parts24 EN