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Fault mode
When a fault has occurred, the ERROR
icon and the fault code will be displayed.
3-7. Faults Reference Code
Fault event
Fault code Icon Fault event
Fault code
Icon
Bus start fail
01
x
Inverter output short
14
x
Bus over
02
x
Battery voltage too
high
27
x
Bus under
03
x
Battery voltage too
low
28
x
Inverter soft start
fail
11
x
Over temperature
41
x
Inverter voltage
high
12
x
Over load
43
Inverter voltage
Low
13
x
Charger failure
45
x
3-8. Warning Indicator
Warning
Icon (flashing)
Alarm
Low Battery
Rapid one beep every second
Overload
2 short beeps every 2 seconds
Battery is not connected
2 short beeps every 2 seconds
Overcharge
Continuously sounding
Site wiring fault
2 short beeps every 2 seconds
EPO enable
2 short beeps every 2 seconds
Over temperature
Continuously sounding
Charger failure
Continuously sounding
Battery Fault
Continuously sounding
(At this time, UPS is off to
remind users of something
wrong with battery)
Replace Battery
2 short beeps every 2 seconds
EEPROM error
2 short beeps every 2 seconds