Kärcher HDS 5/11 U, Manual

Page: 19 / 232

– 6
– No power
 Check power connection/conduit.
– Engine overload/overheat
 Set the appliance switch to "0/OFF“.
 Allow device to cool down.
 Turn on the appliance.
 If malfunction still occurs, have device checked by
customer service.
– The exhaust temperature limiter has been trig-
gered, heating coil is sooted.
 Have device de-sooted by customer service.
– The exhaust temperature limiter has been trig-
gered, exhaust temperature too high.
 Set the appliance switch to "0/OFF“.
 Allow device to cool down.
 Only in devices with manual reset:
Illustration
Press reset button of the exhaust temperature lim-
iter.
 Turn on the appliance.
 If malfunction still occurs, have device checked by
customer service.
– Air within the system
Vent pump:
 With open hand spray gun turn device on and off
multiple times with the device switch.
Note: By dismantling the spray lance from the hand
spray gun, the venting process is accelerated.
 Fill/replace external detergent container if empty.
 Check connections and conduits.
– Filter in the water connection is dirty

Clean filter.
– Amount of water supply is too low.
 Check water supply level (refer to technical data).
– Water tap is closed.
 Open tap.
– Air within the system
Vent pump:
 With open hand spray gun turn device on and off
multiple times with the device switch.
Note: By dismantling the spray lance from the hand
spray gun, the venting process is accelerated.
–
High-pressure nozzle clogged
 Clean the nozzle.
– Heating coil has heavy calcium deposits
 Have the device decalcified by customer service.
– Leak in the high pressure system
 Check high pressure system and connections for
tightness.
– Pump leaks, safety valve not tight.
Note: 3 drops/minute are allowed.
 With stronger leak, have device checked by cus-
tomer service.
– Nozzle is set to "High pressure"
 Set nozzle to "CHEM".
– External detergent container is empty.
 Fill/replace external detergent container.
– Filter at the detergent suction hose dirty
 Clean filter.
Illustration
–
Backflow valve stuck
 Remove the detergent hose and loosen the back-
flow valve using a blunt object.
– Fuel tank empty.
 Refill fuel.
– Water shortage
 Check water supply, check connections.
– Water flow temperature too hot.
 Fill in water with a max. temperature of 30°C.
Illustration
–
Fuel filter dirty
 Change fuel filter.
If malfunction can not be fixed, the device must be
checked by customer service.
The warranty terms published by the relevant sales
company are applicable in each country. We will repair
potential failures of your appliance within the warranty
period free of charge, provided that such failure is
caused by faulty material or defects in manufacturing. In
the event of a warranty claim please contact your dealer
or the nearest authorized Customer Service center.
Please submit the proof of purchase.
Only use original accessories and spare parts, they en-
sure the safe and trouble-free operation of the device.
For information about accessories and spare parts,
please visit www.kaercher.com.
Appliance is not running
Device is not building up pressure
Device continuously turns on and off while
hand spray gun is open
Device turns on and off while hand spray gun
is closed
Device leaks, water drips from the bottom of
the device
Device is not sucking in detergent
Burner does not start
Customer Service
Warranty
Accessories and Spare Parts
19 EN