Kärcher NT 611 Eco KF, Operator'S Manual

Page: 18 / 212

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
Danger
First pull out the plug from the mains before
carrying out any tasks on the machine.
 Open filter door.
 Replace the coarse dirt filter/flat-fold fil-
ter or the exhaust filter.
 Close the filter door, it must lock into
place.
 Release and remove the suction head.
 Clean the floater with a moist cloth.
 Insert and lock the suction head.

Danger
First pull out the plug from the mains before
carrying out any tasks on the machine.
 Have the socket of the power supply
checked by an electrician.
 Connect the mains plug of the appli-
ance to another socket of a different cir-
cuit.
 Inform Customer Service
 Inform Customer Service

Check the receptacle and the fuse of
the power supply.
 Check the power cable and the power
plug of the device.
 Press the switch on button of the pro-
tection switch.
 Turn on the appliance.
 Check the swimmer.
 Switch on the disposal pump.

Remove obstructions from the suction
nozzle, suction tube, suction hose, or
coarse dirt filter/flat-fold filter.
 Replace the paper or fleece filter bag.
 Ensure the filter cover properly locks
into place.
 Clean or replace the membrane filter
under running water.
 Replace the flat pleated filter.
 Check drain pipe for leaks.
 Check for proper installation of the flat
pleated filter.
 Check the proper installation of the
coarse dirt filter.

Install the flat fold filter.

Check for proper installation of the flat
pleated filter.
 Replace the flat pleated filter.
 Check the socket of the appliance.
 Free the stuck floater switch in the con-
tainer.
 Release the stuck pump impeller in the
pump.
 Route the disposal hose without kinks.
 Check the disposal hose for obstruc-
tions.
Maintenance and care
Replacing the coarse dirt filter/
flat-fold filter or the exhaust filter
Cleaning the floater
Troubleshooting
Protection switch cannot be
switched on
Protection switch shuts off
repeatedly when the vacuum
cleaner is turned on
Suction turbine does not run
Suction turbine turns off
Suction capacity decreases
Dust escapes during dry vacuuming
Disposal pump is not running
Disposal pump does not produce
much volume
18 EN