Nilfisk-Advance America SR 1100 P/B Manuel D’Utilisation

S31NUK5120(3)2001-04

The machine is equipped with many safety 
devices and functions which have been 
described in the USE paragraphs (both for petrol 
and electrical versions). For instance the 
automatic stop of all functions to avoid the deep 
discharge of the battery has been mentioned; 
and also the availability of a special red key for 
the disengagement of the self-breaking function 
has been notified: this is to be operated when the 
machine must be pushed in Off condition.

Besides the intervention of other safety functions 
is notified by means of dedicated safety codes 
appearing on the display. These safety codes 
are described in the following table.

Stop of all functions except 
traction

The battery is empty

Recharge the battery according to 
the instructions given in the 
Maintenance paragraph

Stop of all functions and traction

Overtemperature of the drive motor

-If the machine run on a long ramp it 

could be normal: let the machine 
cooling 20 minutes

-Check the efficiency of the front 

and rear brakes

-Check the rotation of the rear drive 

wheels

The machine does not start or, in 
the event it was working, will stop

Possible problem with traction 
control electronic circuit

-Check carbon brushes of traction 

motor

-Check connection cables of 

traction motor

-If the above is OK replace the 

power electronic board

The machine functions will stop

High temperature on the electronic 
control circuits (95 °C)

-If the ambient temperature is high 

let the machine cool down 20 
minutes 

-If the problem will remain call the 

technical service to check the 
electrical motors

Stop of all functions and traction

High temperature on the electronic 
control circuits (105 °C)

-Make the same checks as per code 

305

The machine does not start

Wrong start sequence

-Release the accelerator pedal 

before turning the key On

The machine does not start

Damage of the cable of 
potentiometer for traction control

-Check the cable connections of the 

potentiometer for traction control

- Check the potentiometer for 

traction control

The machine does not start

-Off status of the red key for the 

disabling of the self braking 
function (see the picture on the 
top page)

-Possible trouble of motor kables 

(short circuit or open circuit)

-Insert the red key and turn it 

clockwise

-Check the motor cables

Display flashing

Main brush worn

-Replace the main brush

Flashing display

Main broom is blocked

Remove the main broom and clean 
all dirty parts