Green light remains
lit
Normal status No
Battery charging is
complete
Indi-
cator
lights
fail to
light
up
Change in
current /
voltage
Indicator light fault Depot repair Battery fault
No change
in current /
voltage
The power input line is in good
contact with the socket and
charger
Charger fault, return
to factory for mainte-
nance
Charger fault
Flashing red light
Poor contact between power in-
put line and socket, charger
Check whether the
input power line
contacts well
Yellow light re-
mains lit
Battery fault (battery reverse
connection)
Troubleshooting the
battery
Battery fault (battery not connec-
ted)
Troubleshooting the
battery
Flashing yellow
light
High ambient temperature
Ambient tempera-
ture reduced to nor-
mal temperature
Battery voltage too high
Troubleshooting the
battery
Charger failure
Charger fault, return
to factory for mainte-
nance
Disassembling and installing
the battery
Switch off the truck power before removing
and installing the battery.
Battery removal/installation steps:
Battery use and maintenance
5
Disassembling and installing the battery
635001 801 1555 EN - 12/2020