Nilfisk-ALTO RS 2200 - Manual (Page 167)

USER MANUAL ENGLISH
RS 2200 33019476(3)2010-02 A 45
PROBLEMS AND REMEDIES
Problem Possible cause Remedy
BROOMS
The brooms do not clean properly The brooms are not properly adjusted Adjust
The broom speed is not correct Adjust the speed
The brooms are too worn Replace
The brooms do not rotate The working mode is not activated Activate the working mode switch
The broom speed potentiometer is at idle Adjust the broom speed potentiometer
The power supply fuse is open Replace
The broom speed potentiometer is broken Replace
The proportional electronic board is damaged Check the connections or replace
The accessory system pump does not pres-
surise the oil in the circuit Check the oil pressure in the hydraulic system
The solenoid valve is stuck Replace
There are oil leaks from the hydraulic system
fi ttings/hoses Repair/replace
The motors are faulty Replace
The brooms or broom holders are locked Disassemble and unlock
The broom or broom holder is not integral with
the motor Check
3RD BROOM ARM
The 3rd broom arm extension does not shift
sideways The working mode is not activated Activate the working mode switch
The power supply fuse is open Replace
The cylinder calibration dowel is clogged Disassemble and clean
Lack of tension in the solenoid valve Check the electrical system
The solenoid valves are stuck Replace
The cylinder gaskets are worn Overhaul the cylinder
There is an open in the push-buttons Replace the joystick
The 3rd broom arm does not shift to the right/
left The 3rd broom turns in the wrong direction Use the push-button to change the direction
The 3rd broom pressure on the ground is insuf-
fi cient Lower the arm more
The 3rd broom grip on the ground is insuffi cient Increase the 3rd broom angle of incidence
The 3rd broom is too worn Replace
The 3rd broom arm swings The tensioning springs are misadjusted or worn Adjust/replace
The 3rd broom arm does not lift/lower The working mode is not activated Activate the working mode switch
The power supply fuse is open Replace
The cylinder calibration dowel is clogged Disassemble and clean
Lack of tension in the solenoid valve Check the electrical system
The solenoid valves are stuck Replace
The cylinder gaskets are worn Overhaul the cylinder
There is an open in the push-buttons Replace the joystick