ProStar 1K - Fault and Alarm Information

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frequency are within the range of rating voltage +/-10% and rating frequency +/-5Hz, the connected loads
are supplied by the utility power; if out of the range, the connected loads are supplied by the inverter.
4.9 Fault and Alarm Information
The fault and alarm display is as shown in the figure above. The fault icon in the fault mode is always
on, and the alarm icon in the alarm status is flashing. Contact the manufacturer to eliminate the
abnormal situation according to the fault information.
NOTE:
When the UPS is in the fault mode, the LED red light is always on, and the LCD displays
the fault code and fault icon.
4.9.1 Fault Code
Fault code
Fault events
Fault code
Fault events
1
Bus soft start fail
18
INV output over voltage
2
Bus voltage high
19
INV output under voltage
3
Bus voltage low
20
INV output short circuit
4
DC-DC fail
39
Charger short circuit
7
Over temperature
66
Overload fault
9
Bus soft start relay fail
67
Battery reversed connection
10
Bus short circuit
68
Mode fault
17
INV soft start fail
73
No boot loader
Fault code or Alarm code
Alarm icon
Fault icon