A01-00159 Rev B
26
3.6 Operating Mode Description
Operating
mode
Description
LCD display
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.
