Nilfisk-ALTO FLOORTEC R 870 Service Manual page 40

Service Manual – Floortec R 870
J1: MOLEX MINIFIT type, 18-ways vertical (A) (continues)
Petrol/LPG version (PIN - J1.14 not connected)
The RPM value of the Petrol/LPG engine is fixed to 2.750 rpm ± 50 rpm
The fixed RPM value of the Petrol/LPG engine should be in any case as follows
• with the loaded batteries, engine On, all functions Off => the battery tension is between 27,0V and
31,0V
• with the loaded batteries, engine On, all functions On => the battery tension is higher than 24,0V
The dashboard electronic board (EB2) displays 2 alarms, shown by the display (A) and the LED (B) flashed, if
are not matched for more than 5 consecutive minutes the following conditions:
Shown on display Battery conditions
V < 24,0V (Low Voltage)
L O U
V > 32,4V (High
H I U
Voltage)
Solution
Avoid using the machine for long
periods at maximum power or on
slopes: leave the engine running with
all features turned off for at least ten
minutes after each usage.
Turn the engine off when you are not
working: do not leave the machine
for long periods without using any
functions.
A B
Control System
Alternative actions in case the
solution does not solve the problem
Recharge the battery with a suitable
charger and then adjust the engine RPM
(increase the engine RPM till reach
again the recommended tension ranges).
Adjust the RPM engine (reduce the
engine RPM till reach again the
recommended tension ranges).
A B
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P200247a