Kärcher NT 48/1 Manual Del Usuario página 9

Changing the cartridge filter
1. Unlock and remove the suction
head.
2. Turn the suction head by 180 ° and
set it down.
3. Unscrew the securing nut.
4. Remove the cartridge filter.
5. Install new cartridge filter.
6. Insert and tighten the securing nut.
7. 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 and the
mains plug of the device.
3. Switch on the device.
Suction turbine runs, but the device
does not suck
Float closes suction duct
1. Empty the dirt receptacle.
Suction power decreases
1. Remove any blockages from the
suction nozzle, suction pipe, suction
hose or cartridge filter.
2. Change the filled paper filter bag.
3. Change the cartridge filter.
4. Check the drain hose for leaks.
Escaping dust when vacuuming
1. Check that the cartridge filter is cor-
rectly fitted.
2. Change the cartridge filter.
Customer Service department
If the malfunction cannot be corrected,
the device must be checked by the
Customer Service department.
The warranty conditions issued by our
sales company responsible apply in all
countries. We shall remedy possible
malfunctions on your device within the
warranty period free of cost, provided
that a material or manufacturing defect
is the cause. In a warranty case,
please contact your dealer (with the
purchase receipt) or the next author-
ised customer service site.
(See overleaf for the address)
Accessories and spare parts
Only use original accessories and orig-
inal spare parts. They ensure that the
appliance will run fault-free and safely.
Information on accessories and spare
parts can be found at 
www.kaercher.com.
English
Warranty
9