18
Online mode
When the input voltage is within acceptable
range, UPS will provide pure and stable AC power
to output. The UPS will also charge the battery at
online mode.
ECO mode
Energy saving mode:
When the input voltage is within voltage
regulation range, UPS will bypass voltage to
output for energy saving. The UPS will also
charge the battery at ECO mode.
Frequency
Converter mode
When input frequency is within 40 Hz to 70 Hz,
the UPS can be set at a constant output
frequency, 50 Hz or 60 Hz. The UPS will still
charge battery under this mode.
Battery mode
When the input voltage is beyond the acceptable
range or power failure, the UPS will backup
power from battery and alarm is sounding every
5 seconds.
Bypass mode
When input voltage is within acceptable range
but UPS is overload, UPS will enter bypass mode
or bypass mode can be set by front panel. Alarm
is sounding every 10 seconds.
Standby mode
UPS is powered off and no output supply power,
but still can charge batteries.
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
Battery voltage too high 27
x
Bus over
02
x
Battery voltage too low 28
x
Bus under
03
x
Charger output short
2A
x
Inverter soft start fail
11
x
Over temperature
41
x
Inverter voltage high
12
x
Overload
43
Inverter voltage Low
13
x
Charger failure
45
x
Inverter output short
14
x
Over input current
49
x
3-8. Warning indicator
Warning
Icon (flashing) Code Alarm
Low Battery
Sounding every 2 seconds
Overload
Sounding every second
Over input current
Sounding 2 beep every 10 seconds
Battery is not connected
Sounding every 2 seconds
