Replacing the flat fold filter
1. Open the filter cover.
2. Remove the filter frame.
Illustration N
3. Remove the flat fold filter.
4. Fit the new flat fold filter. During in-
sertion, ensure that the flat fold filter
is flush on all sides.
5. Insert the filter frame.
6. Close the filter cover until it audibly
latches into place.
Changing the fleece filter bag
1. Unlock and remove the suction
head.
2. Pull the fleece filter bag on the
flange up and out.
Illustration F
3. Seal the fleece filter bag with cap.
4. Fit the new fleece filter bag.
5. Fit and lock the suction head.
Changing the dust bag
1. Unlock and remove the suction
head.
2. Fold up the dust bag (special acces-
sories).
Illustration G
3. Close the dust bag (special acces-
sory) tightly with a cable tie under-
neath the opening.
4. Take out the dust bag (special ac-
cessories).
5. Insert the new dust bag (special ac-
cessories).
6. Pull the dust bag (special accesso-
ries) over the container. Ensure that
the marking line is within the con-
tainer and both ventilation holes are
positioned on the back wall of the
container.
7. Fit and lock the suction head.
Cleaning the electrodes
1. Unlock and remove the suction
head.
2. Clean the electrodes with a brush.
3. Fit and lock the suction head.
Troubleshooting guide
DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Suction turbine does not start up
1. Check the socket and the power
supply fuse.
2. Check the mains cable, mains plug,
electrodes and (if necessary) the
power socket on the device.
3. Switch on the device.
Suction turbine switches off
1. Empty the container.
Suction turbine does not switch on
again after emptying the container
1. Switch off the device and wait for 5
seconds. Switch on the device.
2. Clean the electrodes with a brush.
Suction power decreases
1. Remove any blockages from the
suction nozzle, suction pipe, suction
hose or flat fold filter.
2. Change the filled fleece filter bag.
3. Change the filled dust bag (special
accessories).
4. Correctly engage the filter cover.
5. Replace the flat fold filter.
6. NT 50/1 only: Check the drain hose
for leaks.
Escaping dust when vacuuming
1. Check that the flat fold filter is cor-
rectly fitted and correct if necessary.
Illustration O
2. Replace the flat fold filter.
English
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