– 8 Set the pressure and quantity regula-tion to "MAX". Check the nozzle size, install correctnozzle. Clean the nozzle. Replace the nozzle. Deaerate the appliance (see "Start-up") Check water supply level (refer to tech-nical data). Clean water filter. Check all inlet pipes to the pump. Contact Customer Service if needed.3 drops per minute are permitted and cancome out from the lower side of the appli-ance. Call Customer Service if there isheavy leakage. With stronger leak, have devicechecked by customer service. Clean water filter. Check the water suction pipes for leaks. Deaerate the appliance (see "Start-up") Contact Customer Service if needed.– 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.The warranty terms published by the rele-vant sales company are applicable in eachcountry. We will repair potential failures ofyour appliance within the warranty periodfree of charge, provided that such failure iscaused by faulty material or defects in man-ufacturing. In the event of a warranty claimplease contact your dealer or the nearestauthorized Customer Service centre.Please submit the proof of purchase.Pressure does not build up in theappliancePump leakyPump is vibratingSpare partsWarranty22 EN