Nilfisk Alto 05211F Manuale Utente

   Operator's Manual - SCRUBTEC 770 / 784 / 795

The machine does not remove all 
the water from the fl oor.

The squeegee is up

Lower the squeegee.

The vacuum tank is full.

Drain the tank.

The screen fi lter is dirty.

Clean  the screen fi lter.

There is an obstruction or damage in the 
squeegee, squeegee hose or standpipe.

Remove the obstruction or repair the 
damage.

The vacuum motor is not running.

Check for tripped breaker.  Have an 
authorized service person make repairs.

The squeegee hose is disconnected.

Connect the hose.

The squeegee blade is damaged, worn, or 
incorrectly installed.

Turn or replace the squeegee blade.
Correctly install the squeegee blade.

The squeegee pressure is not correctly 
adjusted.

Adjust the pressure of the squeegee.

The gaskets on the cover of the recovery 
tank are damaged.

Replace the gaskets.

The batteries do not give the normal   
running time.

The battery terminals are dirty or damaged. Clean the terminals and connectors.  

Replace the damaged cables.  Charge the 
batteries.

The electrolyte level is too low.

Add distilled water to each cell and charge 
the batteries.

The batteries are not fully charged.

Charge the batteries for a full 16 hour 
charge.

The charger is damaged.

Have an authorized service person repair 
the charger.

The battery is defective.

Check voltage of each cell while 
discharging.

The batteries are disconnected.

Connect the batteries.

The cleaning is not even.

The scrub brushes or pads are worn.

Replace the scrub brushes or pads.

There is damage to the brush assembly, 
casters or the solution valve.

Have an authorized service person make 
the needed repairs.

The brush motors are not running.

Check for tripped breaker, reset.  Check for 
loose connections.

The solution level is low.

Fill the solution tank.
NOTE:  If the motors continue to stop 
consult an authorized service person.

The machine does not run.

The machine loses power.

Reset the circuit breaker.
Check wire connection to traverse motor.
Replace the fuses.
Check the batteries connections.
Check parking brake overide lever
position (if installed)
NOTE:  If the motors continue to stop, 
consult an authorized service person.