Maintenance And Care; Exchanging The Flat Pleated Filter; Clean The Electrodes Overflow Fuse; Troubleshooting - Kärcher NT 40/1 Tact Service Manual

6

Maintenance and care

Danger
First pull out the plug from the mains before carrying
out any tasks on the machine.

6.1 Exchanging the flat pleated filter


Open filter door.

Replace the flat pleated filter.

Close the filter door, it must lock into place.

6.2 Clean the electrodes overflow fuse.


Release and remove the suction head.

Clean the electrodes.

Insert and lock the suction head.
7

Troubleshooting

Danger
First pull out the plug from the mains before carrying
out any tasks on the machine.

7.1 Suction turbine does not run


Turn on the appliance.

Container (in wet vacuuming mode) is full.
Empty the container.

Check cables, plugs and mains supply.

Check/replace the appliance switch.

Check/clean the electrode overflow fuse.

Check / replace the socket.

Check / replace microswitch on the socket.

Check/replace the suction turbine.

Check/replace the PCB.
7.2 The suction turbine will not switch off
during wet vacuum cycles when the
container is full.

Check/clean the electrode overflow fuse.

Check the fluid level with non-conductive fluid. Up-
grade kit for "non-conductive media" (2.641-
560.0).

Check/replace the PCB.

7.3 Suction turbine turns off


Empty the container.
7.4 Suction turbine does not start again af-
ter the container has been emptied

Turn off the appliance and wait for 5 seconds, turn
it on again after 5 seconds.

Clean the electrodes as well as the space be-
tween the electrodes.

7.5 Suction capacity decreases


Remove blockages in the suction nozzle, suction
tube, suction hose, or flat pleated filter.

Switch the Tact filter cleaning system on/off or re-
place it.

Exchange the paper filter bag.

Ensure the filter cover properly locks into place.

Check suction system to see if there are any
leaks/repair leaks.

Clean or replace the membrane filter (special ac-
cessory).

Replace the flat pleated filter.

7.6 Dust comes out while vacuuming


Check for proper installation of the flat pleated fil-
ter.

Replace the flat pleated filter.
English 5.906-513.0 Rev. 00 (12/10)
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