Device Continuously Turns On And Off While Hand Spray Gun Is Open; Customer Service; Warranty; Accessories And Spare Parts . En - Kärcher HDS 1.7/12 U Ed Manual Del Usuario

– Filter in the water connection is dirty
 Clean filter.
– Amount of water supply is too low.
 Check water supply level (refer to tech-
nical data).
– Water tap is closed.
 Open tap.
Device continuously turns on and
off while hand spray gun is open
– 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 depos-
its
 Have the device decalcified by custom-
er service.
Device turns on and off while hand
spray gun is closed
– Leak in the high pressure system
 Check high pressure system and con-
nections for tightness.
Device leaks, water drips from the
bottom of the device
– Pump leaks, safety valve not tight.
Note: 3 drops/minute are allowed.
 With stronger leak, have device
checked by customer service.
Device is not sucking in detergent
– 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 backflow valve using a blunt object.
14
Burner does not start
– 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
86°F/30°C.
Illustration
– Fuel filter dirty
 Change fuel filter.

Customer Service

If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
The warranty terms published by the rele-
vant 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 man-
ufacturing. In the event of a warranty claim
please contact your dealer or the nearest
authorized Customer Service centre.
Please submit the proof of purchase.
Accessories and Spare Parts
Only use original accessories and spare
parts, they ensure the safe and trouble-free
operation of the device.
For information about accessories and
spare parts, please visit www.kaercher.com.
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EN

Warranty