Nilfisk-ALTO FLOORTEC R 870 Service Manual page 203

Service Manual – Floortec R 870
If the electronic board detects a fault in the drive system, this will appear as a code on the display and the
malfunction warning light (A) on the electronic board (EB2) will turn on
The error code is a number of flashes of the malfunction warning light (A), which is repeated until reset by
ignition switch (SW1)
Wiring Diagram
REVERSE GEAR
BUZZER (BZ1)
J1.7 - Drive system electronic
board diagnostic signal
J1.18 - Machine moving signal
CONTROL PANEL
ELECTRONIC BOARD (EB2)
A
J2.9 - Buzzer output
J2.16 - Reverse gear warning light output
J2.8 - Main electromagnetic switch output
J2.12 - Driver's seat microswitch input
(must be shorted to +BAT)
J2.14 - Auxiliary power supply for switches
24V
J2.10 - Diagnostic warning light output
J2.7 - Machine moving signal
J2.13 - Reverse gear button input
J2.1 - Potentiometer positive power supply
J2.2 - Potentiometer input
J2.3 - Potentiometer negative power supply
5V
DRIVE SYSTEM
ELECTRONIC BOARD (EB1)
LINE ELECTROMAGNETIC
SWITCH (ES0)
DRIVER'S SEAT SAFETY
MICROSWITCH (SW7)
J2.5 - Not used
M0
Wheel System, Traction
P200195
MAIN
FUSE (F0)
LINE ELECTROMAGNETIC
SWITCH (ES0)
FORWARD/REVERSE
GEAR SWITCH (SW2)
24V BATTERY (BAT)
ACCELERATOR
PEDAL (R1)
DRIVING
WHEEL
P200196
203