14 English CAUTIONRemove the spark plug cable to prevent acciden-tal ignition of the engine before making any repair.TROUBLESHOOTINGSymptom Cause SolutionEngine will not start No gasoline Fill gas tankChoke is not in the correct position. Slide choke lever out to closed position.Water pressure built up in the ma-chine.Squeeze the trigger to release the pressure.For additional engine problems refer to the engine manual.Unit does not reachhigh pressure.Diameter of garden hose is toosmall.Replace with a 5/8 inch or larger gardenhose.Water supply is restricted. Check garden hose for kinks, leaks andblockage.Not enough inlet water supply. Turn water on full force. Check garden hosefor kinks, leaks or blockage.Water inlet filter is clogged. Remove filter and rinse out in warm water.Black detergent nozzle is attached. Remove black detergent nozzle and attachhigh pressure nozzleOutput pressurevaries high and low.Not enough inlet water supply. Turn water on full force. Check garden hosefor kinks, leaks or blockage.Pump is sucking air. Check that hoses and fittings are air tight.Turn off machine and purge pump bysqueezing trigger gun until a steady flow ofwater emerges through the nozzle.Water inlet filter is clogged. Remove filter and rinse out in warm water.Spray nozzle is obstructed. Blow out or remove debris with a fine nee-dle.Calcified gun, hose or spray wand. Run distilled vinegar through detergent suc-tion tube.No detergent. Detergent suction tube not properlyconnected to the machine.Check connection.Detergent is too thick. Dilute detergent, for best results useKärcher ® detergent.Filter on detergent suction tube isclogged.Run warm water through filter to remove de-bris.Damaged or clogged detergent suc-tion tube.Remove obstruction or replace detergentsuction tube.A high pressure nozzle is attached. Replace with black detergent nozzle.Metering valve closed. Open metering valve.Spray nozzle is obstructed. Blow out or remove debris with fine needle.Garden hose con-nection leaks.Loose fittings. Tighten fittings.Missing/worn rubber washer. Insert new washer.Spray wand leaks. Spray wand not properly attached. Turn the swivel nut of the gun clockwise un-til connection is tight.Broken o-ring or plastic insert. Call Customer Support