Replace the disposal bag
Illustration
Release and remove the suction head.
Put the disposal bag over.
Tightly close the disposal bag with ca-
ble tie underneath the opening.
Remove disposal bag.
Insert the new disposal bag.
Pull disposal bag over the container.
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.
Suction turbine does not run
Check the receptacle and the fuse of
the power supply.
Check the power cable, the power plug,
the electrodes and possibly the recep-
tacle 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
emptied
Turn off the appliance and wait for 5 sec-
onds, turn it on again after 5 seconds.
Clean the electrodes as well as the
space between 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
Ensure the filter cover properly locks
into place.
Replace the flat pleated filter.
NT 50/1 only:
Check drain pipe for leaks.
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 as well as the
space between the electrodes with a
brush.
Continuously check the filling level in
case of non-conductive liquid.
Automatic filter cleaning is not
Suction hose is not connected.
Automatic filter cleaning cannot be
Inform Customer Service.
Automatic filter cleaning cannot be
Inform Customer Service.
Customer Service
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
– 5
EN
working
switched off
switched on
13