Kärcher HDS-E 3.3/25-4M Ec Manual page 13

 If detergent tank is empty, refill.
 Check connections and conduits.
– Pressure is set to MIN
 Set pressure to MAX.
– Sieve in the water connection is dirty
 Clean sieve.
 Clean the fine filter; replace it, if necessary.
– Amount of water supply is too low.
 Check water supply level (refer to technical data).
Device leaks, water drips from the bottom of
the device
– Pump leaky
Note: 3 drops/minute are allowed.
 With stronger leak, have device checked by cus-
tomer service.
Note: Condensate can cause increased drop genera-
tion on the appliance.
Device turns on and off while hand spray gun
is closed
– Leak in the high pressure system
 Check high pressure system and connections for
tightness.
Device is not sucking in detergent
 Leave the appliance running with open detergent
dosing valve and closed water supply, until the boil-
er is sucked empty and the pressure falls to "0".
 Open the water supply again.
If the pump still is not sucking in any detergent, it could
be because of the following reasons:
– Filter in the detergent suck hose dirty
 Clean filter.
– Backflow valve stuck
 Remove the detergent hose and loosen the back-
flow valve using a blunt object.
Boiler does not heat up
– System care bottle empty.
 Replace the system care bottle.
– Water shortage
 Check water supply, check connections.
– Heater defective.
 Inform Customer Service.
Set temperature is not achieved while using
hot water
– Working pressure/flow rate to high
 Reduce working pressure/flow quantity at the pres-
sure/volume regulator in the pump unit.
Customer Service
If malfunction can not be fixed, the device must be
checked by customer service.
Warranty
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 centre.
Please submit the proof of purchase.
Accessories and Spare Parts
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.
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EN 13