26
Fault event
Fault code Icon Fault event
Fault code Icon
Inverter soft start failure
11
None Parallel output current
unbalance
36
None
High Inverter voltage
12
None Over temperature
41
None
Low Inverter voltage
13
None CPU communication failure
42
None
Inverter output short circuited
14
Overload
43
3-10. Warning Indicator
Warning
Icon (flashing)
Alarm
Battery low
Beeping every second
Overload
Beeping twice every second
Battery unconnected
Beeping every second
Over charge
Beeping every second
EPO enable
Beeping every second
Fan failure/Over temperature
Beeping every second
Charger failure
Beeping every second
I/P fuse broken
Beeping every second
Overload 3 times in 30min
Beeping every second
Parallel Protection
Beeping every second
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 enabled.
Set the circuit in closed
position to disable 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.