Troubleshooting - Nilfisk ALTO SCRUBTEC R 253 Instructions D'utilisation

TROUBLESHOOTING

TROUBLE
The motors are not operating; the display (48) and
button LEDs do not turn on.
The machine does not move and the display (48)
shows the alarm:
WARNING ALARM T3
At machine start-up, the button (42) LED flashes
and the brushes do not work.
The brush does not operate; the battery symbol
(48-C) border flashes and the display shows the
alarm message:
WARNING ALARM G4
When working, the display shows the alarm
message: WARNING ALARM F2
The display (48) shows the alarm message:
WARNING ALARM T2
While recharging the batteries with the on-board
battery charger, the display (48) shows the alarm
message:
WARNING ALARM C4 or C5
The display (48) shows an alarm message of the
following type:
WARNING ALARM XX
Where "XX" is a code other than those listed
above.
The dirty water vacuuming is insufficient.
The solution flow is insufficient.
The squeegee leaves marks on the floor.
NOTE
If the machine has been purchased with an on-board battery charger, the machine cannot operate if this device is not on
board. In case of battery charger malfunction, contact an authorised Service Center.
For any further information, contact Nilfisk Alto Service Centres.
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INSTRUCTIONS FOR USE
POSSIBLE CAUSE
The battery connector is disconnected.
The batteries are completely discharged.
Machine turned on with paddle pressed.
Machine switched off without first raising the
brush deck.
The batteries are discharged.
Brush motor overload.
There are foreign materials (tangled threads,
etc.) preventing the brush from rotating.
Drive motor overload.
Battery charger not able to correctly recharge
the batteries within the maximum time.
The machine electronic control system is in
alarm condition.
The recovery tank is full.
The vacuum grid is clogged or the float is
stuck closed.
Debris collection filter container clogged.
The hose is disconnected from the squeegee. Connect.
The squeegee is dirty or the squeegee blades
are worn or damaged.
The tank cover is not properly closed, or the
gasket is damaged.
Empty detergent solution tank.
The solution filter is dirty.
The Chemical Mixing System tank (optional)
is dirty/clogged.
There is debris under the squeegee blades.
The squeegee blades are worn, chipped or
torn.
The squeegee has not been balanced with the
handwheel.
9100000391 - SCRUBTEC R 253
REMEDY
Connect.
Charge the batteries.
Release the paddle.
If the problem persists, contact an authorised
Service Center.
Wait for the deck to raise before turning the
brushes on again by pressing the switch.
Charge the batteries.
If the problem persists, replace the batteries.
Use a different/less aggressive brush and/or
avoid working with extra pressure turned on.
Clean the brush hub.
Turn off the machine and then turn it on again.
Avoid using the machine on slopes greater
than those indicated or going over excessively
tall obstacles.
Run the battery charging cycle again.
If the problem persists, replace the batteries.
Turn off the machine and then turn it on again.
If the problem persists, contact an authorised
Service Center.
Empty the tank.
Clean the vacuum grid.
Clean.
Clean the squeegee or overturn/replace the
blades.
Correctly close the cover or clean/replace the
gasket.
Refill.
Clean the filter.
Clean with the drain cycle.
Remove the debris.
Overturn or replace the blades.
Adjust the squeegee.
ENGLISH
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