– 9 DANGERRisk of injury by inadvertent start-up of ap-pliance and electric shock. Prior to all workon the appliance, switch off the applianceand pull the power plug.– No line voltage, see "Appliance is notrunning".– Fuel tank empty. Refill fuel.– Detergent tank is empty. Refill detergent.– No power Check power connection/conduit.– Nozzle is set to "CHEM" Set nozzle to "High pressure".– Air within the systemVent pump: Set dosing value for detergent to "0". With open hand spray gun turn deviceon and off multiple times with the deviceswitch.Note: By dismantling the high pressurehose from the high pressure connection theventing process is accelerated. If detergent tank is empty, refill. Check connections and conduits.– Sieve in the water connection is dirty Clean sieve. Clean the fine filter; replace it, if neces-sary.– Amount of water supply is too low. Check water supply level (refer to tech-nical data).– Pump leakyNote: 3 drops/minute are allowed. With stronger leak, have devicechecked by customer service.– Leak in the high pressure system Check high pressure system and con-nections for tightness.– Nozzle is set to "High pressure" Set nozzle to "CHEM".– Filter in the detergent suck hose dirty Clean filter.– Backflow valve stuck Remove the detergent hose and loosenthe backflow valve using a blunt object.– Fuel tank empty. Refill fuel.– Water shortage Check water supply, check connec-tions. Clean sieve in the water shortage safeguard.– Fuel filter dirty Change fuel filter.– No ignition spark If device is in use and no ignition sparkcan be seen through the viewing glass,have device checked by customer ser-vice.– Sooty heating spiral Have device de-sooted by customerservice.If malfunction can not be fixed, the de-vice must be checked by customer ser-vice.TroubleshootingIndicator lamp "Ready for use"turns offFuel indicator lamp glowsIndicator lamp for detergent glowsAppliance is not runningDevice is not building up pressureDevice leaks, water drips from thebottom of the deviceDevice turns on and off while handspray gun is closedDevice is not sucking in detergentBurner does not startSet temperature is not achievedwhile using hot waterCustomer Service25EN

safety valve

water connection

power connection

operation with detergent

frost protection

maintenance intervals

customer service

servicio con agua caliente

trabajos de mantenimiento

vklop naprave

Kärcher HDS 5/12 C Original Instructions Manual

storing the appliance

HDS 5/12 C