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ACAS Uninstall / install connection nozzle
050 Maintenance and inspection
Service group does not contain any maintenance and in-
spection points.
060 Error diagnosis
Findings
Suction turbine does not run
Vaccum turbine is running but the ma-
chine is not sucking in dust/dirt
Suction capacity decreases
Dust comes out during the vacuuming Cartridge filter not properly installed.
070 Peculiarities/ others
The service group does not contain any peculiarities.
Remove the suction hand.
Empty the dirt receptacle.
1 Connection nozzle
2 Clips
3 Counter support
Bent up all three clips on the counter support.
Push the connection nozzle outwards through the
Upon installation, ensure that all three clips snap into
Possible cause
Electrics defective.
Connection defective.
Device is not switched on.
?
Float is jammed.
Float is blocking the suction canal.
Dirt receptacle is full.
Suction system is blocked.
Drain hose leaking.
Cartridge filter defective.
counter support.
the connection nozzle.
Correction
Check the receptacle and the fuse of
the power supply.
Check power cable, mains plug and
mechanical overflow protection.
Turn on the appliance.
Turn off the appliance and wait for 5
seconds, turn it on again after 5 sec-
onds.
Loosen and clean the jammed float us-
ing a damp cloth. Check float for ease of
movement.
Empty the dirt receptacle.
Empty the dirt receptacle.
Remove choking of suction nozzle, suc-
tion tube, suction hose, or cartridge fil-
ter.
NT 50/1, NT 50/2 only:
Exchange the fleece filter bag (option).
Clean or replace the membrane filter
(special accessory) under running wa-
ter.
Change cartridge filter.
NT 70/2, NT 90/2 only:
Check drain pipe for leaks.
Check the proper installation of the car-
tridge filter.
Change cartridge filter.
English 5.906-709.0 Rev. 00 (11/14)
19
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