English
5.906-472.0 Rev. 00 (08/08)
13
The technical specification sheet and the circuit diagram will be in-
cluded in the next version of the spare parts CD (DISIS) and in the
Intranet.
The operating instructions and the spare parts list can be request-
ed in paper form with the respective part numbers from our spare
parts service department.
7
Troubleshooting
Malfunction
Remedial action
Suction turbine does not run
Turn on the machine.
Check cables, plugs, fuse, and socket.
Check/replace the appliance switch.
S1
Check/replace the suction turbine.
M1
Vaccum turbine is running but the
machine is not sucking in dust/dirt
Float is blocking the suction channel/empty dirt container.
Suction capacity decreases
Dirt container full/empty.
Suction head not closed properly/close properly.
Check the suction nozzle, the suction pipe, suction hose and cartridge filter for ob-
structions/clear if necessary.
Exchange the paper filter bag.
Check suction system to see if there are any leaks/repair leaks.
Cartridge filter is defective/replace.
Dust comes out during the vacuum-
ing
Dirt container or paper filter bag full/empty or replace paper filter bag.
Check the correct installation of the cartridge filter/correct.
Cartridge filter is defective/replace.
8
Specifications
Appliance type
Appliance no.
Circuit diagram
operating instruc-
tions
Spare parts list
NT 27/1
1.428-501.0
0.088-563.0
5.960-508.0
5.970-057.0
NT 27/1 Advanced
1.428-511.0
0.088-563.0
5.960-508.0
5.970-057.0
NT 27/1 Me
1.428-101.0
0.088-563.0
5.960-508.0
5.970-057.0
NT 27/1 Me Advanced
1.428-111.0
0.088-563.0
5.960-508.0
5.970-057.0
NT 48/1
1.428-601.0
0.088-563.0
5.961-555.0
5.970-447.0
9
Special tools
Description
Part number
Not required
