16 English 5.906-591.0 Rev. 00 (01/14)The appliance is maintenance free. DangerRisk of electric shock. Turn off the appliance and remove the mains plug priorto any care and maintenance works.Prior to longer periods of storage, e.g. in the winter: Remove filter from suction hose for detergent and cleanunder running water. Pull out the fine filter in water connection using flat-nose pliers and clean with running water.NoticeAppliances and accessories that are not completelydrained can be destroyed by frost. Completely drain appliance and accessories and pro-tect them against frost.To avoid damage: Completely drain all water from the appliance: Switchthe appliance on with detached high pressure hose anddetached water supply (max. 1 minute) and wait, untilno more water exits at the high pressure connection.Turn off the appliance. Store the appliance and the entire accessories in a frostfree room.The service group does not contain any peculiarities.050 Maintenance and inspectionCareStoring the device060 Error diagnosisFault Cause CorrectionAppliance is not building up pressure Air within the system Vent appliance.Switch on the appliance without con-nection the HP hose (max. 2 minutes)and run it until the water dischargingfrom the HP outlet is free of bubbles.Switch off appliance and reconnect HPhose.Suction area blocked Pull out the mains plug and clean thesuction areaSuction hose or connection adapter notscrewed in correctly or completely.Manually tighten the suction hose andthe connection adapter.Insufficient water quantity Check setting at the spray lance.Fine filter blocked. Rinse the fine filter under running wateror replace if necessary.Strong pressure variations Nozzle soiled Clean high-pressure nozzle: Removedirt and debris from the nozzle bore,using a needle and rinse through withwater from the front.Insufficient water quantity Check water flow quantity.Detergent is not being sucked in Suction area blocked Clean the detergent suction hose filter.Low or no detergent flow Use spray lance with pressure regula-tion (Vario Power).Turn the spray lance to "Mix" position.Clean the detergent suction hose filter.Check the detergent suction hose forkinks.070 Peculiarities/ others110 Replacement timesBasic work Description Work valueADAW Uninstall / install outer jacket of water channelADID Uninstall / install injector nozzleADVR Uninstall / install valve for detergent