USER MANUAL
ENGLISH
BA 451 - BA 451D - BA 531 - BA 531D
909 6748 000(3)2010-03 A
27
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 machine does not move.
(Only for
BA 451D
and
BA 531D
)
The machine has been turned on by using
the ignition key and by keeping the paddle
pressed.
Turn the ignition key to “0”, then try to start the
machine without pressing the paddle.
The warning lights (81)
fl
ash simultaneously.
The deck motor is overloaded.
Use less aggressive brushes suitable for the
fl
oor to be cleaned or avoid working with extra
pressure function turned on.
The brush does not work, the red warning light is
on.
Discharged batteries
Charge the batteries.
The dirty water vacuuming is insuf
fi
cient.
The recovery tank is full.
Empty the tank.
The hose is disconnected from the squeegee. Connect.
The vacuum grid is clogged or the
fl
oat is
closing.
Clean the grid or check the
fl
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 properly or replace the
gasket.
The solution
fl
ow is insuf
fi
cient.
The solution/clean water
fi
lter is dirty.
Clean the
fi
lter.
The recovery tank is dirty (the drain hole is
clogged).
Clean.
Dirty/encrusted EcoFlex™ system tank
(optional).
Drain.
The squeegee leaves marks on the
fl
oor.
There is debris under the squeegee blades.
Remove the debris.
The squeegee blades are worn, chipped or
torn.
Replace the blades.
The squeegee is not balanced with the
handwheel.
Adjust.
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 Nil
fi
sk Service Center.
909 6748 000(4)2010-03 A.indb 27
909 6748 000(4)2010-03 A.indb 27
04/03/2010 13.56.16
04/03/2010 13.56.16
Summary of Contents for ecoflex BA 451
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