21
•
When the lithium battery pack is not in use for a long time store it with 30-50% level of charge to
extend its life-time.
c.
Replacement
Park the truck securely and press emergency switch
(20). Remove four screws firstly, take out the main
cover. Secondly, remove the screw on negative pole
of the battery and then remove the screw on positive
pole. Thirdly, unloosen and remove the battery fixing
frame.
For PSE12BD, remove the second battery on bottom
following the same way of disassembly of the first
battery.
The installation is in the reverse order.
d.
Battery Indicator
Display
An alpha-numeric liquid crystal display is fitted in the centre of the unit that shows the hours worked. The
display is backlight (the backlight is normally lighted).
Alarms
The same display can also indicate the alarm state, showing a code corresponding to the type of alarm.
Battery State of charge
The battery's state of charge indication is integrated in the LCD display; it is shown by ten notches. Each
notch represent the 10% of the battery charge. As the battery becomes discharged, the notches turn off
progressively, one after the other, in proportion to the value of the residual battery charge. This value,
sent to the display by the controller via CAN-BUS.
Turtle Symbol:
Fig. 12: Battery replacement
Fig. 13: Battery discharge indicator
Battery discharged
Battery charged