3. Operations
Fault mode
3-7. Faults Reference Code
Fault event
Bus start fail
Bus over
Bus under
Inverter soft start fail
Inverter voltage high
Inverter voltage Low
3-8. Warning indicator
Warning
Low Battery
Overload
Battery is not connected
Over Charge
Site wiring fault
EPO enable
Over temperature
Charger failure
UPO11-1/1.5/2/3 AX Online UPS
When a fault has occurred, the ERROR
icon and the fault code will be displayed.
Fault code
Icon
01
02
03
11
12
13
Icon (flashing)
Fault event
x
Inverter output short
x
Battery voltage too high
x
Battery voltage too low
x
Over temperature
x
Overload
x
Charger failure
Sounding every 2 seconds
Sounding every second
Sounding every 2 seconds
Sounding every 2 seconds
Sounding every 2 seconds
Sounding every 2 seconds
Sounding every 2 seconds
Sounding every 2 seconds
User Manual
Fault code
Icon
14
27
28
41
x
43
45
x
Alarm
19
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