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English 13
Troubleshooting guide
Malfunctions often have simple causes that you can
remedy yourself using the following overview. When in
doubt, or in the case of malfunctions not mentioned
here, please contact your authorised Customer Service.
DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Device not running
1. Press the lever of the high-pressure gun.
The device switches on.
2. Check that the voltage specified on the type plate
corresponds to the voltage of the power source.
3. Check the mains connection cable for damage.
4. If the motor is overloaded and the motor circuit
breaker has triggered:
a Switch off the device "0/OFF".
b Allow the device to cool down for 1 hour.
c Switch the device on "I/ON" and resume opera-
tion.
Have the device checked by Customer Service if
this fault occurs repeatedly.
The device does not start up, the motor buzzes
Voltage drop due to a weak mains grid or when using an
extension cable
1. When switching on, first press the lever on the high-
pressure gun and then switch on the device "I/ON".
Device does not reach required pressure
The water supply is too low
1. Open the water tap fully.
2. Check the water inlet for an adequate flow rate.
The sieve in the water connection is dirty.
1. Pull the sieve in the water connection out using flat
pliers.
2. Clean the sieve under running water.
Air is in the device.
1. Vent the device:
a Switch on the device without a connected spray
lance for a maximum of 2 minutes.
b Press the high-pressure gun and wait until the
water escaping from the high-pressure gun is
free of air bubbles.
c Connect the spray lance.
d Observe the maximum suction height during suc-
tion operation (see chapter Technical data).
Strong pressure fluctuations
1. Clean the high-pressure nozzle:
a Use a needle to remove dirt from the nozzle drill.
b Rinse the high-pressure nozzle from the front
with water.
2. Check the water supply volume.
Device leaking
1. The device leaks a small amount for technical rea-
sons. If the leak is severe, request authorised Cus-
tomer Service.
Detergent is not sucked in
1. Use the Vario Power spray lance and turn it to "MIX".
2. Check that the Plug ‘n’ Clean detergent bottle is sit-
ting correctly with the opening facing down in the de-
tergent connection.
Warranty
The warranty conditions issued by our relevant sales
company apply in all countries. We shall remedy possi-
ble malfunctions on your appliance within the warranty
period free of cost, provided that a material or manufac-
turing defect is the cause. In a warranty case, please
contact your dealer (with the purchase receipt) or the
next authorised customer service site.
(See overleaf for the address)
Technical data
Subject to technical modifications.
K 4 Premium
Power
Control
Power
Control
Electrical connection
Voltage V 230-240 230-240
Phase ~ 1 1
Frequency Hz 50 50
Power rating kW 1,8 1,8
Degree of protection IPX5 IPX5
Protection class I I
Power protection (slow-
blowing)
A13 13
Water connection
Feed pressure (max.) MPa 1,2 1,2
Input temperature (max.) °C 40 40
Input amount (min.) l/min 9 9
Suction height (max.) m 0,5 0,5
Device performance data
Operating pressure MPa 11 11
Max. permissible pressure MPa 13 13
Water flow rate l/min 6,3 6,3
Maximum flow rate l/min 7,0 7,0
Detergent flow rate l/min 0,3 0,3
High-pressure gun recoil
force
N13 13
Dimensions and weights
Typical operating weight kg 13,6 13,1
Length mm 414 402
Width mm 306 306
Height mm 588 588
Determined values in acc. with EN 60335-2-79
Hand-arm vibration value m/s
2
3,2 3,2
Uncertainty K m/s
2
0,8 0,8
Sound pressure level L
pA
dB(A) 75 75
Uncertainty K
pA
dB(A) 3 3
Sound power level L
WA
+ K
uncertainty
WA
dB(A) 92 91
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