Njoy Helios PRO Series User Manual page 17

• 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.
Rack display
32
Tower display
5.7 Faults Reference Code
Fault event Fault code
Bus start fail
Bus over
Bus under
Inverter soft start fail
High inverter voltage
Low inverter voltage
Inverter output short
Battery voltage too
high
Battery voltage too low
Over temperature
Overload
Charger failure
Icon
X
01
X
02
X
03
11 X
X
12
X
13
14
27
28
X
41
43
X
45
33