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English

Accessories and spare parts

Only use original accessories and original spare parts. 
They ensure that the appliance will run fault-free and 
safely.
Information on accessories and spare parts can be 
found at 

www.kaercher.com

.

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.
As the battery pack ages, even if it is looked after, its ca-
pacity reduces such that the full run time will not be 
reached anymore when fully charged. This does not in-
dicate a defect.

Error codes and error descriptions (WV 6)

Display

Error description

Error correction

E1

Battery pack temperature too high 
or low.

Allow appliance to cool down/heat up.

Operate and store the appliance at temperatures usual for 
living areas.

E2

Suction turbine blocks due to too 
much fluid or solids having been 
absorbed.

Do not use the appliance to absorb larger quantities of flu-
ids from horizontal surfaces.

Do not use the appliance to absorb dust or solids.

Empty the waste water tank when the MAX mark is 
reached at the latest.

Only use suitable detergents, no spirits, no foam cleanser. 
Window cleaner concentrates from KÄRCHER are best 
suited for cleaning.

E3

Charging voltage too high.

Only use the original charger enclosed or with a charger 
approved by KÄRCHER.

E4

Battery pack voltage <3 V.

Internal appliance error, please contact your dealer or au-
thorised Customer Service.

Lo

Battery pack is discharged.

Charge the appliance using the original charger enclosed 
or with a charger approved by KÄRCHER.

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