Care And Maintenance; Troubleshooting; Helpline - Kärcher K 4 Full Control Operating Instructions Manual

Care and maintenance

DANGER
Risk of electric shock.
 Prior to all work on the appliance, switch off the ap-
pliance and pull the power plug.
High pressure hose
The high pressure hose is specially constructed with re-
inforced walls to handle water pressure up to 13 MPa
(1900 psi) - it can be easily damaged and should be
stored carefully.
 Do not kink.
Do not drive vehicles over the hose.

 Do not expose the hose to sharp edges or corners.
Misuse will lead to ballooning or premature failure and
will invalidate warranty.
Clean the sieve in the water connection
Clean the sieve in the water connection regularly.
 Remove coupling from the water connection.
ATTENTION
The sieve must not be damaged.
Illustration
 Pull the sieve out using flat pliers.
 Clean the sieve under running water.
 Reinsert the sieve into the water connection.
Changing the batteries of the trigger gun
The batteries are depleted if nothing is shown on the
display of the trigger gun anymore.
Two batteries or accumulators of the size AAA are re-
quired.
Illustration
 Push the locking slide.
 Open battery compartment.
 Remove the batteries.
 Insert new batteries and observe the correct orien-
tation of the terminals.
 Close battery compartment.
 Dispose of the used batteries according to the local
provisions.

Troubleshooting

DANGER
Risk of electric shock. Turn off the appliance and re-
move the mains plug prior to performing any care and
maintenance work.
Repair work and work on the electrical components may
only be performed by an authorised customer service.
You can rectify minor faults yourself with the help of the
following overview.
If in doubt, please consult the authorized customer service.
Appliance is not running
 Push the lever of the trigger gun, the device will
switch on.
 Check whether the voltage indicated on the type plate
corresponds to the voltage of the mains supply.
 Check the mains connection cable for damages.
 Motor overloaded, the motor circuit breaker has
tripped.
– Turn off the appliance "0/OFF".
– Allow the device to cool down for one hour.
– Switch on the device and put it into operation again.
If the malfunction occurs repeatedly, have the de-
vice checked by the customer service.
12 English
Appliance does not start, motor hums
Voltage reduction due to weak mains supply or when
using an extension cable.
 Upon switch-on, push the lever of the trigger gun
first and then switch the power switch to "I/ON".
Pressure does not build up in the appliance
 Check setting at the spray lance.
 Check water supply for adequate delivery rate.
 Pull out the sieve in the water connection using flat-
nose pliers and clean under running water.
 Remove air from appliance before operation.
Switch on the appliance without connection the HP
hose (max. 2 minutes) and run it until the water dis-
charging from the HP outlet is free of bubbles.
Switch off appliance and reconnect HP hose.
Strong pressure fluctuations
 Clean high-pressure nozzle: Remove dirt and de-
bris from the nozzle bore, using a needle and rinse
through with water from the front.
 Check water flow quantity.
Appliance is leaking
 Dropwise leakage of the device is normal for tech-
nical reasons. If the leakage increases contact the
authorized customer service.
No detergent infeed
 Use Vario Power spray lance.
Turn the spray lance to "Mix" position.
 Check whether the Plug 'n' Clean detergent bottle
is placed into the detergent connection facing
down.
No pressure indicator on the trigger gun
 Check / replace the batteries

Helpline

KÄRCHER UK Limited operates a helpline allowing
customers to discuss any problems experienced with
our products.
The helpline operates during normal business hours
and may be busy at peak periods.If you have difficulty
getting through we would ask that you try to contact us
again later in the day.
The helpline number is 01295 752200, open from
8.30 am to 5.00 pm
Monday to Friday.
It helps us if you have the model number and data plate
details to hand before making your call so that we can
assist you with your query more effectively.
Alternatively you may write to us at the address be-
low:
KÄRCHER UK Ltd
Kärcher House
Beaumont Road
Banbury
Oxon, OX16 1TB
or E-mail us:
info@karcher.co.uk