Operation Manual
26
ATTIX 30/50 H/M
*) 
Optional accessories / Option depending on model
Original Instruction
8 Troubleshooting
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 
cannot be started again, 
contact the Nilfisk-Alto service 
department.
> Motor is faulty. • Have motor changed by 
Nilfisk-Alto Service.
‡
Motor does not run in 
automatic mode 
*)
> Power tool/pneumatic tool is 
defective or not connected 
properly.
• Check that the power tool 
works or that the plug is 
inserted correctly.
> The power rating of the 
electrical tool is too low.
• Note that minimum power 
rating is P>40W
‡
The acoustic warning 
sounds. (Reduced suction 
power)
> Suction power selected with 
suction power control
*)
 is too 
low.
• Set suction power in 
accordance with section 
„Setting suction power“.
> Hose diameter does not 
correspond with switch 
position
• Set correct switch position for 
hose diameter
> Clogged suction hose/nozzle. • Clean suction hose/nozzle
> Tank, disposal bag or filter 
bag is full.
• See "Emptying tank" or 
"Replacing disposal bag, filter 
bag" sections.
> Filter element is clogged. • See section „Cleaning filter 
element“ and „Replacing filter 
element“.
> Seal between tank and upper 
section of vacuum cleaner is 
faulty or missing.
• Replace seal.
> Cleaning mechanism is 
defective.
• Contact Nilfisk-Alto Service.
‡
No suction power 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 
impedance at the transfer point 
is 0.15 .










