Kruger KFL50BBC, Manual

Page: 40 / 48

8.2 THE MACHINE DOESN’T MOVE

The traction lever is in neutral position.

Select a traction direction by pulling or pushing
the traction lever.

The floor slope is too high.

Push manually the machine to the upper floor
level.

The thermal protection of the traction motor
is tripped.

Stop the machine and rest it for 5 minutes, the
push the thermal breaker button.

The batteries are discharged.

Charge the batteries.
8.3 THE BRUSH DON’T ROTATE

The brush motor switch is not selected.

Press the button to activate the brushes.

The brush motor thermal breaker tripped; the
motor overheated.

Troubleshoot the cause (cords or similar items
that impede movement, surface too rough, etc.)
and press the reset breaker (the first from the top).

The transmission belt is broken.

Replace it.

The motor relay or the brush motor is broken.

Replace it.
8.4 NOT ENOUGH OR TOO MUCH DE-
TERGENT

The detergent solution tank is empty.

Fill the detergent solution tank after having
emptied the recovery tank.

The flow adjustment lever is closed or almost
closed.

Adjust/increase the detergent solution outlet
flow as required.

The detergent feed conduit is clogged in some
point.

Clean out the conduit by removing the dirt.
8.5 NO SUCTION

The suction hose is not connected to the squee-
gee.

Connect it correctly.

The suction hose or the squeegee conduit are
clogged.

Clean out and remove any obstructions from the
conduits.

The suction motor is turned off.

Activate it.

The recovery tank is full.

Empty it.

The suction motor is not receiving electric power
or is burned.

Check the connections and, for the latter case,
replace the motor.
8.6 INSUFFICIENT SUCTION

The recovery tank drain hose plug is not per-
fectly closed.

Close it correctly.

The suction hose, the squeegee conduit or the
inspection compartment is clogged.

Clean out and remove any obstructions from the
conduits.
8.7 THE BRUSH MOTOR OR THE SUC-
TION MOTOR DOESN’T STOP

Stop the machine, cutting off the main power
supply and disconnecting the main battery connec-
tor, and contact the technical service centre.
8.8 THE SQUEEGEE DOESN’T CLEAN OR
DRY EFFICIENTLY

The squeegee blades are worn or are dragging
solid dirt.

Replace or clean them.

The squeegee adjustment is not correct; the
advancement must be exactly perpendicular to the
running direction.

Adjust the squeegee.

The suction hose or the squeegee conduit are
clogged.

Clean out and remove any obstructions from the
conduits.
8.9 THE BATTERY CHARGER DOESN’T
WORK

The battery charge doesn’t start .

Check that the battery charger is connected to
the battery. Consult the battery charger manual.
8.10 THE BATTERIES DO NOT CHARGE
OR DO NOT HOLD A CHARGE

At the end of the charging process, the battery
is not correctly charged (see the battery manufac-
turer’s instruction-maintenance manual)

Check the battery charger error message and
check the data indicated on the display (see the
battery charger’s instruction manual).

The batteries are new and do not generate
100% of the rated performances.

The accumulator reaches the maximum perfor-
mance after 20-30 complete charge cycles.

The electrolyte has evaporated and does not
completely cover the plates.

Check the battery manufacturer’s use and main-
tenance manual.

There are significant differences in density
among the various elements.

Replace the damaged battery.
Always consult the battery and battery charger use
and maintenance manual. If this does not solve the
problem, contact the authorised technical service
centre.
The manufacturer CANNOT solve problems caused
by using batteries and battery chargers that were
not directly supplied.
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Manual KFL50E-KFL50BBC-KFL50BBCTR