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