Operating instructions
30
EN
3-11.Warning Code
Warning code Warning event Warning code Warning event
01 Battery unconnected 10 L1 IP fuse broken*
02 IP Neutral loss 11 L2 IP fuse broken*
04 IP phase abnormal 12 L3 IP fuse broken*
05 Bypass phase abnormal 21
Line situations are different in parallel
system
07 Over charge 22
Bypass situations are different in
parallel system
08 Low battery 33
Locked in bypass after overload 3
times in 30 minutes
09 Overload 34 Converter current unbalance
0A Fan failure 35 Battery fuse broken
0B EPO enable 3A Cover of maintain switch is open
0D Over temperature
3C Utility extremely unbalanced
0E Charger failure
3D Bypass unstable
* These alarms are only for the single input unit.
4. Trouble Shooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
Possible cause
Remedy
No indication and alarm in the front
display panel even though the mains is
normal.
The AC input power is not
connected well.
Check if input cable firmly
connected to the mains.
The icon and the warning code
flash on LCD display and alarm
beeps every second.
EPO function is activated. At
this time, the
EPO switch is in
“OFF”
status or the jumper is
open.
Set the circuit in closed
position to disable the EPO
function.
The icon and
flash on
LCD display and alarm beeps every
second.
The external or internal
battery is incorrectly
connected.
Check if all batteries are
connected well.
The icon and
flash on
LCD displ
ay and alarm beeps twice
every second.
UPS is overload.
Remove excess loads from UPS
output.
UPS is overloaded. Devices
connected to the UPS are fed
directly by the electrical
network via the Bypass.
Remove excess loads from UPS
output.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are
fed directly by the mains.
Remove excess loads from UPS
output first. Then shut down
the UPS and restart it.
Fault code is shown as 43. The icon
lights on LCD di
splay and
alarm beeps continuously.
UPS is overload too long and
becomes fault. Then UPS shut
down automatically.
Remove excess loads from UPS
output and restart it.
Fault code is shown as 14, the icon
lights on LCD display, and
alarm beeps continuously.
The UPS shut down
automatically because short
circuit occurs on the UPS
output.
Check output wiring and if
connected devices are in short
circuit status.