Niveo Professional NUPS22-1000U - Manual (Page 20)

17
Standby
mode
UPS is powered off without output
power, but the battery still can be
charged.
Fault mode
The UPS is in fault mode when no
output power is supplied from the
UPS and the fault icon flashes on the
LCD display, although the information
of UPS can be displayed in the
screen.
3-7. Faults Reference Code
Fault event Fault
code Icon Fault event Fault
code Icon
Bus start fail 01 x Low Inverter voltage 13 x
Bus over 02 x Inverter output short 14
Bus under 03 x Battery voltage too high 27 x
Bus unbalance 04 x Battery voltage too low 28
Inverter soft start fail 11 x Over temperature 41 x
High Inverter voltage 12 x Overload 43
3-8. Warning indicator
Warning Icon (flashing) Code Alarm
Low Battery Sounding every second
Overload Sounding twice every second
Battery is not connected Sounding every second
Overcharge Sounding every second
Site wiring fault Sounding every second
EPO enable Sounding every second
Over temperature Sounding every second
Charger failure Sounding every second
Battery Fault Sounding every second
Bypass Out Range Sounding every second
Bypass Frequency Unstable Sounding every second