Operating instructions

– 5
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.
 Release and remove the suction head.
 Clean the electrodes with a brush.
 Insert and lock the suction head.
 DANGER
First pull out the plug from the mains before
carrying out any tasks on the machine.
 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.
 Empty the container.
 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.
 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.
Illustration
 Check/correct the correct positioning of
the flat pleated filter.
 Replace the flat pleated filter.
 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.
 Suction hose is not connected.
 Inform Customer Service.
 Inform Customer Service.
If malfunction can not be fixed, the de-
vice must be checked by customer ser-
vice.
Replace the disposal bag
Cleaning the electrodes
Troubleshooting
Suction turbine does not run
Suction turbine turns off
Suction turbine does not start again
after the container has been
emptied
Suction capacity decreases
Dust comes out while vacuuming
Automatic shut-off (wet vacuum
cleaning) does not react
Automatic filter cleaning is not
working
Automatic filter cleaning cannot be
switched off
Automatic filter cleaning cannot be
switched on
Customer Service
13EN