Kärcher WD 4 Operator's Manual page 17

Often, failures have simple causes and
you can do the troubleshooting your-
self using the following overview. If you
are in doubt or if the failure is not listed
here please contact the authorized
customer service.
Decreasing cleaning power
If the suction power becomes less,
check the following points:
Accessories, suction hose or suc-

tion pipes are clogged, please re-
move the obstruction using a stick.
Filter bag is full: Insert new filter

bag.
Flat fold filter contaminated: Re-

move the filter box and clean filter
(see Chapter "Cleaning the flat fold
filter").
Replace damaged flat fold filter.

TROUBLESHOOTING
English 17