14
6. Trouble Shooting
Use the table below to solve minor problems.
Explanation / Possible cause
When power fails,
the backup time is
shorten.
Battery low alarm
issue quickly.
Battery voltage is too low.
Charge the unit at least 8
hours.
Battery capacity is not full even
after charge the unit for at least 8
hours.
Check the date code of the
battery. If the batteries are
too old, replace the batteries.
Mains exist but the
unit works in
battery mode.
Input voltage is
displayed as 0 on the
LCD and green LED is
flashing.
Input protector is tripped
Check if AC breaker is tripped
and AC wiring is connected
well.
Insufficient quality of AC power.
(Shore or Generator)
1. Check if AC wires are too
thin and/or too long.
2. Check if generator (if
applied) is working well or if
input voltage range setting is
correct. (NarrowWide)
Set “Solar First” as the priority of
output source.
Change output source priority
to Utility first.
No LED display on
the front panel
when the utility
power is normal.
Battery is not connected well.
Check the external battery
cable and terminal. Make sure
all the battery connections to
the unit are all correct.
Buzzer beeps
continuously and
red LED is on.
Check if wiring is connected
well and remove abnormal
load.
Overload error. The inverter is
overload 110% and time is up.
Reduce the connected load by
switching off some
equipment.
Internal temperature of inverter
component is over 100°C.
Check whether the air flow of
the unit is blocked or whether
the ambient temperature is
too high.
The battery voltage is too high.
Check if spec and quantity of
batteries are meet
requirements.
If there is any abnormal situations occur, which doesn't list above, please call the service people immediately
for professional examine.
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