31
29
Output Short-circuit
Once per second
Fault LED blinking
30
Input current limit
Once per second
Fault LED blinking
31
Bypass over current
Once per second
BPS LED blinking
32
Overload
Once per second
INV or BPS LED blinking
33
No battery
Once per second
Battery LED blinking
34
Battery under voltage
Once per second
Battery LED blinking
35
Battery low pre-warning
Once per second
Battery LED blinking
36
Over load time out
Once per 2 seconds
Fault LED blinking
37
DC component over limit.
Once per 2 seconds
INV LED blinking
39
Mains volt. Abnormal
Once per 2 seconds
Battery LED lit
40
Mains freq. abnormal
Once per 2 seconds
Battery LED lit
41
Bypass Not Available
BPS LED blinking
42
Bypass out of tracking range
BPS LED blinking
45
EPO Enable
Beep continuously
Fault LED lit
4.
Troubleshooting
If the UPS system does not operate correctly, please solve the problem by using
the table below and the Trouble Shooting Chart.
Symptom
Possible cause
Remedy
No indication and alarm even
though the mains is normal.
The AC input power is not
connected well.
Check if input power cord
firmly connected to the
mains.
The AC input is connected to
the UPS output.
Plug AC input power cord to
AC input correctly.
Alarm code is shown as“33” and
battery led blinking.
The external or internal
battery is incorrectly
connected.
Check if all batteries are
connected well.
Alarm code is shown as “26” and
battery led blinking.
Battery voltage is too high or
the charger is fault.
Contact your dealer.