Troubleshooting - Kärcher NT 40/1 Ap L Originalbetriebsanleitung

 Dispose of the fleece filter bag accord-
ing to the local provisions.
 Insert the new fleece filter bag.
 Insert and lock the suction head.
Replace the disposal bag
Illustration
 Release and remove the suction head.
 Put the disposal bag (option) over.
 Tightly close the disposal bag (option)
with cable tie underneath the opening.
 Remove disposal bag (option).
 Dispose of the dust bag (special acces-
sory) in accordance with statutory provi-
sions.
 Insert the new disposal bag (option).
 Pull disposal bag (option) over the con-
tainer.
Make sure that the marking line is situ-
ated within the container and both ven-
tilation holes are positioned at the back
of the container.
 Insert and lock the suction head.
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.
Note: In case of a failure (e.g. filter break-
age) the appliance must be turned off im-
mediately. The failure must be remedied
before the appliance is put into operation
again.
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
 Turn off the appliance and wait for 5
seconds, turn it on again after 5 sec-
onds.
 Clean the electrodes with a brush.
Suction capacity decreases
 Remove blockages in the suction noz-
zle, suction tube, suction hose, or flat
pleated filter.
 Replacing the full fleece filter bag.
 Replace the filled disposal bag (option).
 Press the semi-automatic filter dedust-
ing key five times with the appliance
switched on.
 Ensure the filter cover properly locks
into place.
 Replace the flat pleated filter.
Dust comes out while vacuuming
Illustration
 Check/correct the correct positioning of
the flat pleated filter.
 Replace the flat pleated filter.
Automatic shut-off (wet vacuum
cleaning) does not react
 Clean the electrodes with a brush.
 Continuously check the filling level in
case of non-conductive liquid.
Semi-automatic filter dedusting
 Suction hose is not connected.
Semi-automatic filter dedusting
does not shut off
 Inform Customer Service.
Semi-automatic filter dedusting
cannot be switched on
 Inform Customer Service.
– 6
EN
emptied
does not work
19