Operating instructions

16 English
Transport
몇 CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transporta-
tion.
1. Remove the suction hose with floor nozzle from the
support. Carry the device by the carrying handle and
the suction pipe, not by the push handle.
2. When transporting the device in vehicles, secure it
to prevent it from slipping or overturning in accord-
ance with the respective valid guidelines.
Storage
몇 CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
The device may only be operated indoors.
Care and service
 DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Dust extraction machines are safety devices for the pre-
vention or elimination of hazards according to the Ger-
man BGV A1.
ATTENTION
Care agents containing silicone
These can attach plastic components.
Do not use care agents containing silicone for cleaning.
 You can perform basic maintenance and care work
yourself.
 Clean the surface of the device and the interior of
the container regularly with a moist cloth.
Main filter element
Replacing the flat fold filter
1. Open the filter cover.
2. Remove the filter frame.
Illustration N
3. Remove the flat fold filter.
4. Dispose of the used flat fold filter in accordance with
statutory regulations.
5. Remove any dirt deposits from the clean air side.
6. Clean the filter frame and the supporting surface of
the filter frame with a damp cloth.
7. Fit the new flat fold filter. During insertion, ensure
that the flat fold filter is flush on all sides.
8. Insert the filter frame.
9. Close the filter cover until it audibly latches into
place.
Change the candle filter
1. Open the filter cover.
2. Take out the candle filter (special accessories).
Illustration O
3. Dispose of the used candle filter (special accesso-
ries) in accordance with statutory regulations.
4. Remove any dirt deposits from the clean air side.
5. Clean the candle filter frame with a damp cloth.
6. Insert the new candle filter (special accessories).
7. 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. Dispose of the used fleece filter bag in accordance
with statutory regulations.
5. Fit the new fleece filter bag.
6. Fit and lock the suction head.
Changing the dust bag
1. Unlock and remove the suction head.
2. Fold up the dust bag.
Illustration G
3. Seal the dust bag tightly underneath the opening us-
ing cable ties.
4. Remove the dust bag.
5. Clean the container inside with a moist cloth.
6. Dispose of the dust bag in accordance with statutory
regulations.
7. Fit the new dust bag.
8. Pull the dust bag over the container. Ensure that the
marking line is within the container and both ventila-
tion holes are positioned on the back wall of the con-
tainer.
9. 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.
Note
The device must be switched off immediately if a mal-
function occurs (e.g. filter breakage). The malfunction
must be eliminated before switching the device on
again.
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 emp-
tying 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 main filter element.
2. Change the filled fleece filter bag.
3. Dispose of the filled dust bag.
4. Correctly engage the filter cover.
5. Change the main filter element.
6. NT 50/1 only: Check the drain hose for leaks.
Escaping dust when vacuuming
1. Only with flat fold filters: Check that the flat fold filter
is correctly fitted and correct if necessary.
Illustration P
2. Change the main filter element.