Njoy Balder Series User Manual page 20

Charge current (A) JP06
1A 0
2A 0
3A 1
4A 0
NOTE!
0 = no jumper; 1 = connect with jumper.
IMPORTANT!
The charging current must be adjusted according to the number of battery cabinets
attached to the UPS:
Nr. of battery packs
x 1
x 2
x 3
x 4
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JP07 JP08
0 1
1 0
0 0
0 0
Charging current
1A (default)
2A
3A
4A
7 Troubles and solutions
Problem Possible cause
No indication and
alarm in the front The AC input power
display panel even is not connected
though the mains is well.
normal.
The icon and the
E.P
warning code
EPO function is
flash on LCD display
enabled.
and alarm beeps every
second.
The external or
The icon and
internal battery
flash on LCD
BATT. FAULT
is incorrectly
display and alarm
connected.
beeps every second.
UPS is overload.
UPS is overloaded.
Devices connected
to the UPS are
The icon and
fed directly by the
flash on LCD
OVER LOAD
electrical network via
display and alarm
the Bypass.
beeps twice every
second.
After repetitive
overloads, the UPS is
locked in the Bypass
mode. Connected
devices are fed
directly by the mains.
Solutions
Check if input cable firmly
connected to the mains.
Set the circuit in closed
position to disable EPO
function.
Check if all batteries are
connected well.
Remove excess loads from
UPS output.
Remove excess loads from
UPS output.
Remove excess loads from
UPS output first. Then
shut down the UPS and
restart it.
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