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Nilfi sk ALTO Operator’s Manual - SCRUBTEC R Manual Steering Form No. 71274A Page -27-
HOW TO CORRECT PROBLEMS IN THE MACHINE
PROBLEM CAUSE ACTION
nsuffi cient water onto the brushes
The machine does not clean
satisfactorily
The squeegee does not dry the fl oor
The vacuum motor does not function
The machine does not start
The brush motors do not work
WARNING: To avoid damage to the fl oor, the
motor starts only when the machine is tra-
versing.
The solution fl ow is not set
There is no water in the solution tank.
The solution fi lter is dirty.
A circuit breaker has tripped.
Insuffi cient fl ow.
The brushes are worn.
Need to use a different kind of brush/pad
The squeegee is dirty.
Recovery drain hose is not closed.
The suction hoses need to be cleaned.
The squeegee blades are worn.
The recovery tank is full.
The squeegee up/down switch in not in the low or
middle position.
The operator is not properly seated.
The key is not in the “ON position”.
The charger is still connected.
The batteries are not charged or not connected
properly.
The circuit breaker has tripped.
The brush head unit is not down.
The batteries are not charged or not connected
properly.
Poor electrical connection at the brush head unit.
Make sure the solution fl ow is set.
Fill the solution tank.
Clean the solution fi lter.
Reset the circuit breaker.
Increase fl ow with solution switch.
Check the brushes and replace if necessary.
(the brushes have to be replaced when the
bristles reach approximately .59 inches (15mm
height.)
Use a different kind of brush. For cleaning opera-
tions on fl oors where the dirt proves to be par-
ticularly resistant, we recommend using special
brushes. See Accessories page.
Clean the squeegee.
Close the drain plug.
Clean the vacuum hoses. See “Routine Mainte-
nance” section.
Replace/ or rotate the squeegee blades. See
“Routine Maintenance” section.
Drain recovery tank.
Put the squeegee in the low or middle position or
reprogram “one touch”.
The operator must be properly seated in the driv-
ing position.
Turn the key to the “ON” position.
Remove the A/C cord from the wall.
Check to make sure the batteries are connected
properly and charge if necessary.
Reset the circuit breaker.
Put the brush head unit down.
Check to make sure the batteries are connected
properly and charge if necessary.
Connect the electrical connection at the brush
head unit.