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17
1)
Option depending on model
Original Instruction Manual
8 Troubleshooting
7
8. Clean the level hose (7).
9. Fit a new filter element.
10. Fit the filter holder. Ensure
that it is in the correct posi-
tion.
11. Fit bar and close bar handle.
12. Dispose of the used filter ele-
ment in accordance with le-
gal regulations.
Never use the vacuum cleaner
without a filter.
Fault
Cause
Remedy
‡ Motor does not start
> Fuse of the mains socket has
blown.
• Connect mains fuse.
> Overload protection switch
has tripped.
• Switch off the vacuum cleaner
and allow it to cool for approx.
5 minutes. If the cleaner can-
not be started again, contact
the Nilfisk service department.
> Self-acting carbon brush is
worn
1)
• Have carbon brushes changed
by Nilfisk Service.
‡ Motor does not run in auto-
matic mode
> Power tool/pneumatic tool is
defective or not connected
properly.
• Check that the power tool
works or that the plug is insert-
ed correctly.
> The power rating of the elec-
trical tool is too low.
• Note that minimum power rat-
ing is P>40W
‡ Reduced suction power
> Suction power selected with
suction power control is too
low.
• Set suction power in accord-
ance with section 4.2.3. „Set-
ting suction power“.
> Clogged suction hose/nozzle. • Clean suction hose/nozzle
> Filter bag is full.
• See section 7.2.2 „Replacing
filter bag“.
> Filter element is clogged.
• See section 4.5 „Cleaning filter
element“ and 7.2.5+7.2.6 „Re-
placing filter element“.
> Automatic Filter Cleaning Sys-
tem only:
Defective cleaning mecha-
nism
• Contact Nilfisk Service
‡ No suction power during
wet cleaning
> Tank is full. (Float has closed
the suction opening).
• Switch off the cleaner. Empty
the tank.
‡ The vacuum cleaner switch-
es off during wet cleaning
> Tank is full.
• Switch off the cleaner. Empty
the tank.
‡ Voltage fluctuations
> Impedance of power supply is
too high.
• Connect the cleaner to another
socket closer to the fuse box.
Voltage fluctuations over 7%
should not occur if the imped-
ance at the transfer point is
0.15
.