Malfunctions often have simple causes that you can
remedy yourself using the following overview. When in
Fault
The device does not run The charging state of the battery is too
Device does not reach
required pressure
Strong pressure fluctua-
tions or constant switch-
ing off/on of the device
The device is leaking
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 flaw is the cause. In a warranty case, please con-
tact your dealer (with the purchase receipt) or the next
authorised customer service site.
(See overleaf for the address)
Further warranty information (if available) can be found
in the service area of your local Kärcher website under
"Downloads".
14
Cause
low.
The motor is overloaded, the motor cir-
cuit breaker has tripped.
The ambient temperature is outside the
permissible range, see Technical data,
the motor circuit breaker has tripped.
Not enough water in the water reservoir. 1. Make sure that there is enough clean, clear
The fine filter is dirty.
The nozzle is clogged.
The device leaks a small amount for
technical reasons.
doubt, or in the case of malfunctions not mentioned
here, please contact your authorised Customer Service.
Rectification
1. Charge the battery, see Battery charging.
1. Switch off the device.
2. Switch on the device and put it into opera-
tion.
1. Switch off the device.
2. Allow the device to cool down / heat up.
3. Switch on the device and put it into opera-
tion.
Have the device checked by Kärcher Ser-
vice if this malfunction occurs repeatedly.
water in the water reservoir.
1. Clean the fine filter, see chapter Cleaning
the fine filter.
1. Clean the nozzle: Remove contamination
and debris from the nozzle hole, using a
needle and rinse with clean, clear water
from the front.
2. Make sure that there is enough clean, clear
water in the water reservoir.
1. In case of more serious leaks, have the de-
vice checked by KÄRCHER Service.
Declaration of Conformity
EU Declaration of Conformity
We hereby declare that the product named below com-
plies with the relevant provisions of the directives and
regulations listed. This declaration is invalidated by any
changes made to the product that are not approved by
us.
Product: Mobile Outdoor Cleaner
Type: OC 3, OC 3 Plus, OC 3 Foldable, OC 4
Directives and Regulations
2014/35/EU
2014/30/EU
2011/65/EU
2009/125/EC
2000/14/EC
2019/1782
(EU) 2023/1542
Harmonised standards used
EN 55014-1: 2017 + A11: 2020
EN 55014-2: 1997 + A1: 2001 + A2: 2008
EN 60335-1
EN 60335-2-54
EN 61000-3-2: 2014
EN 61000-3-3: 2013
EN 61558-1
EN 61558-2-16
EN 62233: 2008
EN IEC 63000: 2018
Applied conformity evaluation method
2000/14/EG: Annex V
Sound power level dB(A)
OC 3, OC 3 Plus
Measured: 81
Guaranteed: 84
OC 3 Foldable
English