Kärcher K7 Premium Smart Control, User Manual

18

English

3. Press the separation button on the high-pressure 

gun and disconnect the high-pressure hose from the 
high-pressure gun. 

ATTENTION

Damage to the high-pressure hose

Damage to the high-pressure hose through incorrect di-
rection of rotation
Observe the correct direction of rotation of the hose reel 
when winding on the hose.

4. For devices with a hose reel: Use the crank handle 

to turn the hose reel anticlockwise and coil up the 
high-pressure hose.

5. For devices without a hose reel: Store the high-pres-

sure hose on the device.

6. Store the mains connection cable and accessories 

on the device.

Observe the additional instructions before storing the 
device for a longer period of time, see chapter 

 Care and 

service

.

Frost protection

ATTENTION

Danger of frost

Incompletely emptied devices can be destroyed by 
frost.
Completely empty the device and accessories.
Protect the device from frost.

The following requirements must be satisfied:



The device is disconnected from the water supply.



The high-pressure gun is disconnected from the 
high-pressure hose.

1. Switch the device on "I/ON".
2. Wait for a maximum of 1 minute until no more water 

escapes from the high-pressure hose. 

3. Switch off the device.
4. Store the device in a frost-protected room, together 

with all accessories.

Care and service



DANGER

Danger of electric shock

Injuries due to touching live parts
Switch off the device.
Remove the mains plug.

The device is maintenance-free, i.e. you do not need to 
perform any maintenance work.

Clean the sieve in the water connection

ATTENTION

Damaged sieve in the water connection

Damage to the device through contaminated water
Check the sieve for damage before inserting it in the wa-
ter connection.

If necessary, clean the sieve in the water connection.
1. Remove the water connection coupling.
2. Pull the sieve out using flat pliers.
3. Clean the sieve under running water.

Illustration O

4. Insert the sieve into the water connection.

Replacing the batteries of 

the high-pressure gun

Two non-rechargeable or rechargeable AAA batteries 
are required.
The batteries are exhausted if nothing or a flashing bat-
tery symbol is visible in the display of the high-pressure 
gun.

Illustration P

1. Press the locking slide.

Illustration Q

2. Open the battery compartment.
3. Remove the battery.
4. Insert new batteries, while paying attention to the 

correct alignment of the poles.

5. Close the battery compartment.
6. Dispose of the used batteries in accordance with 

statutory provisions.

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. Turn the 3-in-1 Multi Jet spray lance to detergent 

nozzle "MIX".