24
3. Check the battery charge
on the display.
4. Check on the display
that the starting signal of
the brushes motor is on.
5. Press the pedal on the
footboard (3) to start the
machine.
If the problem persists, please contact the authorized
technical assistance.
TRACTION MOTOR DOES NOT WORK
2. Check that the emer-
gency system (1) is not
activated.
3. Use the key switch to
turn off and then on the
machine (2).
1. Step on the footboard.
4. Check the lever position
(3).
If alarms are showed on the display it is necessary to
turn off and the on the machine to restore its functions.
5. Check the battery charge
on the display.
6. Press the pedal on the
footboard (4) to start the
machine.
If the problem persists, please contact the authorized
technical assistance.
WATER DOES NOT COME DOWN ONTO THE
BRUSHES
The machine is equipped with a solenoid valve so to
let the solution go down onto the brushes it is neces-
sary to make the brushes turn.
1. Check on the display
that the solenoid valve is
activated.
2. Check that the valve
lever is open (1).
3. Check the detergent
solution level in the solu-
tion tank.
4. Check that the solution filter is clean (see under
paragraph “CLEANING THE OUTER SOLUTION
FILTER”).
If the problem persists, please contact the authorized
technical assistance.
THE MACHINE DOES NOT CLEAN PROPERLY
1. The brushes do not have the suitable bristle dimen-
sion: contact the authorized technical assistance.
2. The brushes have worn bristles. Check the brushes
wear condition and eventually replace them (the
brushes have to be replaced when the bristles have
reached a height of about 1/2” (15mm).
3. To replace the brushes, see instructions under para-
graph “BRUSHES DISASSEMBLY” and “BRUSHES
ASSEMBLY”.
4. The detergent solution is insufficient: open the so
-
lution valve more (see under paragraph “FLOW AD
-
JUSTMENT OF THE DETERGENT SOLUTION”).
5. Check that the liquid detergent is in the recom-
mended percentage.
6. Increase the brushes base pressure (see under para-
graph "ADJUSTMENT OF THE BRUSHES PRES-
SURE").
Contact the authorized technical assistance for advice.
THE SQUEEGEE DOES NOT DRY PERFECTLY
1. Check that the squeegee rubbers are clean.
2. Check the adjustment of the height and the inclina-
tion of the squeegee (see section “ADJUSTMENT OF
THE SQUEEGEE” in “BEFORE USE”).
3. Check that the suction hose is correctly inserted in
the proper seat on the recovery tank or that it is not
obstructed.
4. Clean the suction filter.
5. Replace the rubbers if worn out.
Summary of Contents for BDSO 27/28
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