Njoy Balder 1000, User Manual

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Balder 2000 / 3000
Step 1. Remove adhesive tapes.
Step 3. Put assembled battery
packs on one side of plastic
shells.
Step 4. Cover the other side of plastic
shell as in the below picture.
Step 2. Connect all battery terminals
by following below chart.
Troubleshooting 7
Problem Possible cause Solutions
No indication and alarm even
though the main is normal.
The AC input
power is not
connected well.
Check if input
power cord is
firmly connected
to the mains.
The AC input is
connected to the
UPS output.
Plug the AC input
power cord to the
AC input correctly.
The icon and the warning
code EP are flashing on LCD
display and alarm is sounding
every second.
EPO function is
activated.
Set the circuit in
closed position
to disable EPO
function.
The icon and the
warning code SF are flashing
on LCD display. Alarm is
sounding every 2 seconds.
Line and neutral
conductors of UPS
input are reversed.
Rotate mains
power socket by
180˚ and then
connect to UPS
system.
The icon and and
warning code NC are flashing
on LCD display. Alarm is
sounding every 2 seconds.
The external or
internal battery
is incorrectly
connected.
Check if all
batteries are
connected well.
Fault code is shown as 27
and the icon is lighting
on LCD display and alarm is
continuously sounding.
Battery voltage
is too high or the
charger is fault.
Contact service
unit.
Fault code is shown as 28
and the icon is lighting
on LCD display and alarm is
continuously sounding.
Battery voltage
is too low or the
charger is fault.
Contact service
unit.