34
Mains indicator
Green
Rectifier in Normal Operation
Flashing Green
Input mains voltage or frequency out of normal range
Off
Input AC Not Available
Battery indicator
Green
Battery Normal, but discharging and powering the load
Flashing Green
Battery End of Discharge pre-warning, Battery abnormal (high
or low voltage, Absent or Polarity Reversed), charger
abnormal
Off
Battery and Converter Normal, Battery charging.
Bypass indicator
Green
Load on Bypass power
Flashing Green
Bypass not available, out of normal range, Static bypass
switch short or broken fault, bypass switch wiring fault, bypass
over current
Off
Bypass Normal, load not on bypass
Inverter indicator
Green
Inverter Normal and powering the load
Flashing Green
Inverter failed, Inverter IGBT bridge direct conduct
protection, Inverter Thyristor short or broken fault, over
load or Parallel Overload, Feedback protection
Off
Inverter not operating
Output indicator
Green
UPS output ON and Normal
Off
UPS output OFF.
Ffault indicator
Off
Normal Operation
Red
UPS fault e.g.
4.4 Display Messages/Troubleshooting
This section lists the event and alarm messages that the UPS might display. The messages
are listed in alphabetical order. This section is listed with each alarm message to help you
troubleshoot problems .
Module Display messages
Operational Status and Mode(s)
item
Content Displayed
LED
alarm
Bps output Bat. output Mains output
1
Initialized
Extinguish Extinguish
Extinguish
Extinguish
2
Standby Mode
Extinguish Extinguish
X
Extinguish
3
No Output
Extinguish Extinguish
X
Extinguish
4
Bypass Mode
Extinguish
Light
X
Extinguish
5
Utility Mode
Extinguish Extinguish
X
Light
6
Battery Mode
Extinguish Extinguish
Light
Extinguish
7
Battery Self-diagnostics
Extinguish Extinguish
Light
Extinguish