Troubleshooting - Kärcher NT 72/2 Eco Tc Original Instructions Manual

Exchanging the flat pleated filter
 Open filter door.
 Replace the flat pleated filter.
 Close the filter door, it must lock into
place.
Replace exhaust filter
 Open filter door.
 Replace exhaust filter.
 Close the filter door, it must lock into
place.
Cleaning the electrodes
 Release and remove the suction head.
 Clean the electrodes with a brush.
 Insert and lock the suction head.

Troubleshooting

Danger
First pull out the plug from the mains before
carrying out any tasks on the machine.
Suction turbine does not run
 Check the receptacle and the fuse of
the power supply.
 Check the power cable, the power plug
and electrodes of the device.
 Turn on the appliance.
Suction turbine turns off
 Empty the container.
Suction turbine does not start again
after the container has been emp-
 Turn off the appliance and wait for 5
seconds, turn it on again after 5 sec-
onds.
 Clean the electrodes as well as the
space between the electrodes with a
brush.
8
tied
Suction capacity decreases
 Remove choking of suction nozzle, suc-
tion tube, "filter dedusting" handle, suc-
tion hose, or flat folded filter.
 Exchange the paper filter bag.
 Filter dedusting: Repeatedly press the
button on the handle while the filter
cleaning is turned on.
 Ensure the filter cover properly locks
into place.
 Clean or replace the membrane filter
(special accessory) under running wa-
ter.
 Replace the flat pleated filter.
 Check drain pipe for leaks.
Dust comes out while vacuuming
 Check for proper installation of the flat
pleated filter.
 Replace the flat pleated filter.
Automatic shut-off (wet vacuum
cleaning) does not react
 Clean the electrodes as well as the
space between the electrodes with a
brush.
 Continuously check the filling level in
case of non-conductive liquid.
Filter dedusting switches perma-
 Release the blocked suction nozzle or
end of the hose.
 Stop the continuous vacuuming from
the liquid container or switch the filter
cleaning off.
 Remove choking of suction nozzle, suc-
tion tube, "filter dedusting" handle, suc-
tion hose, or flat folded filter.
 Replace the flat pleated filter.
Filter cleaning is not working
 Suction hose is not connected.
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nently