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Battery is empty.
Charge the device.
Check whether the charging cable is still plugged
into the device.
Take out charging cable, operation is not possible
while charging cable is plugged in.
Lowermost LED flashes when the device is switched on
and does not start.
Battery is empty.
Charge the device.
All LEDs flash quickly simultaneously.
The device has a motor blockage (e.g. due to ex-
cessive pressure on the rollers or through move-
ment into a wall/corner).
Switch on/off the appliance again.
or
Use of wrong or defective mains plug.
Use original mains plug/replace defective mains
plug.
The three LEDs light up sequentially in a 1-second cycle.
Device too hot during use (e.g. when operating in
high ambient temperatures).
Take a break and let the device cool down.
If the device also switches off:
Take a break and let the device cool down.
The device can only be switched on again once it
has cooled down enough.
Rollers are not being sufficiently moistened.
Moisten the rollers by moving back and forth over
the same position.
The filter under the fresh water tank is incorrectly fitted
or not fitted at all.
Ensure that the filter under the fresh water tank is
correctly fitted in the device. The foam with the yel-
low pin in the middle must point upwards.
Note
If the filter is not present, it can be ordered as a spare
part.
For information about accessories and spare parts,
please visit www.kaercher.com.
No water in the fresh water tank.
Refill water
Fresh water tank does not fit properly in the device.
Insert the fresh water tank so that it sits snugly in
the appliance.
Cleaning rollers missing or not fitted correctly.
Fit the cleaning rollers or turn them onto the roller
holder up to the mechanical stop.
Cleaning rollers are contaminated or worn.
Clean the cleaning rollers.
or
Replace the cleaning rollers.
The detergent has been forgotten, an incorrect dosage
is being used or the incorrect detergent is being used
Use only KÄRCHER detergent and be sure to use
the correct dosage.
Floor head cover not installed correctly
Check that the floor head cover is correctly seated.
For this, remove the cover and then fit it back in
place.
Note
Slight foam formation in the floor head during operation
is normal and does not impair functionality. Further
measures are only necessary when there is excessive
foam formation (e.g. streaks of foam on the floor).
Incorrect detergent or incorrect dosage.
Use only KÄRCHER detergent and be sure to use
the correct dosage.
Device operation is based on the cleaning rollers re-
moving dirt. Dirt and detergent residues from floor cov-
erings collect in the waste water tank. This can lead to
foam formation under some circumstances.
Remove all dirt and detergent residues from the
rollers using water.
Illustration
Illustration
Illustration
In the event of excessive foam formation, add
FoamStop to the empty waste water tank before
starting cleaning. Please observe the dosage in-
structions on the bottle label.
The rollers are dirty.
Clean the rollers.
Rollers are not being sufficiently moistened.
Moisten the rollers by moving back and forth over
the same position.
Incorrect detergent or incorrect dosage.
Use only KÄRCHER detergent and be sure to use
the correct dosage.
Foreign detergents are present on the floor.
Remove all detergent residues from the rollers us-
ing water.
Clean the floor several times using the device and
clean rollers, without using detergent. This re-
moves detergent residues from the floor
Rollers are blocked.
Remove rollers and check if an object has become
stuck in the rollers.
Check that the rollers are screwed in as far as they
will go onto the roller holder.
Check that the floor head cover is correctly seated.
For this, remove the cover and then fit it back in
place.
Floor head cover not installed correctly
Check that the floor head cover is correctly seated.
For this, remove the cover and then fit it back in
place.
The rollers are worn out.
Replace the rollers.
Waste water tank is overfilled.
Empty the waste water tank right away.
Waste
water tank does not fit properly in the appliance.
Check that the floor head cover is firmly seated on
the waste water tank.
Check that the waste water tank flaps are correctly
closed.
The device cannot be switched on
LED fault display
Rollers are too dry
Appliance is not sucking up dirt
Formation of foam in the floor head and on
the floor
Poor cleaning result
Rollers do not turn
Water vacuuming not optimum
Appliance is leaking waste water.
