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Operating instructions
Empty the container
¾
Switch off the unit
¾
Drain dirty water using the
drain hose
Note:
Clean and dry container after
finishing wet vacuuming.
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NT 773 I / NT 993 I
Care and maintenance
Danger!
Always pull out the mains plug
when working on the suction
machine
Cleaning the protective gratings in
the hose to the suction head and
at the appliance
Fault instructions
The suction turbine does not
run
¾
Check the cable, plug, fuse and
socket.
¾
Switch on the machine.
The suction power decreases
¾
Empty the container.
¾
Remove obstructions out of the
suction nozzle, the suction
tube, the suction hose or the
suction hose to the suction
head.
¾
Clean/replace cartridge filter.
¾
Replace paper filter bag or
membrane filter.
Dust ejects when sucking
¾
Check fit of cartridge filter.
¾
Lock the suction head.
No suction power
¾
Empty the container.
¾
Switch the appliance off and on
again after 10 seconds.
¾
Clean float system in cartridge
filter.
English
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