Kärcher HD 10/25 S Service Manual

Also see for HD 10/25 S VEX: Operating instructions Operating instructions User manual Operating manual

Kärcher HD 10/25 S Service Manual Manual pdf 25 page image

English 5.905-945.0 Rev. 00 (06/15) 258 TroubleshootingFindings Possible cause CorrectionAppliance is not running Power supply interrupted Check connection cable for damages.Check mains fuses and mains voltageDisturbances in the electrical sys-temCheck / replace transformer.Check/replace the fuse.Check thermal motor protection switch.Check / replace the contactor.Check/replace the PCB.Power switch Check/replace the appliance switch.Pressure switch Check/replace the pressure switch.Appliance is not building up pressure Nozzle soiled Set nozzle to "High pressure".Clean the nozzle.Replace the nozzle.Air within the system Vent appliance.Insufficient water quantity Check water supply level (refer to technicaldata).Suction area blocked Clean the sieve in the water connection.Check all inlet pipes to the pump.Pressure interruption Check the pressure and suction valves forleaks / replace.Check / adjust/ replace overflow valve.Device turns on and off while handspray gun is closedTightness of system Check the trigger gun and the O-rings onthe high-pressure hose for leaks / replace.Pressure interruption Check / adjust/ replace overflow valve.Check / replace the pressure retainingvalve.Check/replace the pressure switch.Check / clean / replace the detergentcheck valve.Check the pressure and suction valves forleaks / replace.Appliance does not switch off when thehand-spray gun is closedPressure interruption Check / adjust/ replace overflow valve.Check / replace the pressure retainingvalve.Check/replace the pressure switch.Detergent is not being sucked in Low or no detergent flow Check/ clean detergent suction hose withfilter.Open or check/clean detergent dosingvalve.Check / clean / replace the detergentcheck valve.Check / replace nozzle for detergent.Replace detergent injector.Pump leaky Water leak between the cylinderhead and the piston casingCheck / replace high pressure and lowpressure seals.Oil leaks between the cylinder headand the piston casingReplace oil seals.