Kärcher K 3.97 M Operator's Manual

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Contents

Kärcher K 3.97 M Operator's Manual Manual pdf 11 page image

11TROUBLESHOOTINGDisconnect the machine from the power source before making any repair.SymptomMotor will not startUnit does not reach highpressureOutput pressure varieshigh and lowCauseOn/Off switch is in the “OFF” (O)position.Power cord is not plugged in.Extension cord is too long.Extension cord is not proper gauge.Extension cord is damaged.Electrical outlet does not supplyadequate power.Diameter of garden hose is toosmall.Water supply is restricted.Not enough inlet water supply.Water inlet filter is clogged.Quattro nozzle is in low pressureposition.Not enough inlet water supply.Pump is sucking air.Water inlet filter is clogged.Discharge nozzle is obstructed.Calcified gun, hose or spray wand.SolutionTurn switch to the “ON” (I) positionPlug in power cord.Replace extension cord with eithera 25 ft. 12/3 gauge cord or a 50ft. 10/3 gauge cord.Try a different outlet.Replace with a 1/2 inch or 5/8inch garden hose.Check garden hose for kinks,leaks and blockage.Open water source full force.Remove filter and rinse out inwarm water.Turn quattro nozzle to highpressure position.Turn water on full force. Checkgarden hose for kinks, leaks orblockage.Check that hoses and fittings areair tight. Turn off machine andpurge pump by squeezing triggergun until a steady flow of wateremerges through the nozzle.Remove filter and rinse out inwarm water.Blow out or remove debris with afine needle.Run distilled vinegar throughdetergent tank.