21
LCD display
Fault status
Description
When UPS has fault happened, it will display fault messages in LCD
panel.
LCD display
3-8. Fault Code
Fault event
Fault code
Icon Fault event
Fault code
Icon
Bus start failure
01
None Inverter output short
circuited
14
Bus over
02
None Negative power fault
1A
None
Bus under
03
None Battery SCR short circuited
21
None
Bus unbalance
04
None Inverter relay short circuited
24
None
Inverter soft start failure
11
None Over temperature
41
None
High Inverter voltage
12
None CPU communication failure
42
None
Low Inverter voltage
13
None Overload
43
3-9. Warning Indicator
Warning
Icon (flashing)
Alarm
Battery low
Beeping every second
Overload
Beeping twice every second
Battery unconnected
Beeping every second
Over charge
Beeping every second
EPO enable
Beeping every second
Fan failure/Over temperature
Beeping every second
Charger failure
Beeping every second
I/P fuse broken
Beeping every second
Overload 3 times in 30min
Beeping every second