TROUBLESHOOTING
Trouble Possible Cause Remedy
The motors do not work; no warning
light turns on.
The battery connector is disconnected. Connect.
The batteries are completely discharged. Charge the batteries.
The brush/pad-holder switch is faulty. Replace. (*)
The LEDs (43) ash simultaneously. The brush deck motor is overloaded. Use less aggressive brushes suitable for the oor to
be cleaned.
There are foreign materials (tangled threads, etc.)
preventing the brush from rotating.
Clean the brush hub.
The brush does not work. The fuse (F1) is blown. Replace.
The brush activation push-buttons are faulty. Replace. (*)
The vacuum system motor does not
turn on.
The fuse (F2) is blown. Replace.
The vacuum system switch is faulty. Replace. (*)
The dirty water vacuuming is
insufcient.
The recovery tank is full. Empty the tank.
The hose is disconnected from the squeegee. Connect.
The vacuum grid is clogged or the oat is stuck
closed.
Clean the grid or check the oat.
The squeegee is dirty or the squeegee blades are
worn or damaged.
Clean and check the squeegee.
The tank cover is not properly closed or the gasket
is damaged.
Close the cover or clean/replace the gasket.
The solution ow to the brush is
insufcient.
The solution solenoid valve is faulty. Replace. (*)
The solution lter is dirty. Clean the lter.
The squeegee leaves marks on the
oor.
There are debris under the squeegee blades. Remove the debris.
The squeegee blades are worn, chipped or torn. Replace the blades.
The squeegee has not been adjusted with the
handwheel.
Adjust it.
(*) This maintenance procedure must be performed by an authorised Nilsk Service Center.
NOTE
If the machine has an optional battery charger installed, the machine cannot operate if the charger is not on board. In
case of battery charger malfunction, contact an authorised Service Center.
For further information refer to the Service Manual, available at any Nilsk Service Center.
SCRAPPING
Have the machine scrapped by a qualied scrapper.
Before scrapping the machine, remove and separate the following materials, which must be disposed of properly according to the
Law in force:
– Battery
– Brushes/pads
– Plastic hoses and components
– Electrical and electronic components (*)
(*) Refer to the nearest Nilsk Center especially when scrapping electrical and electronic components.