13
6. Trouble Shooting
Use the table below to solve minor problems.
Problem LCD/LED/Buzzer Explanation / Possible cause What to do
When power fails,
the backup time is
shorten.
Battery low alarm
issue quickly.
Battery voltage is too low.
Char
e the unit at least 8
hours.
Battery capacity is not full even
after charge the unit for at least 8
hours.
Chec
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 volta
e 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.
Green LED is flashing.
Insufficient quality of AC power.
(Shore or Generator)
1. Chec
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)
Green LED is flashing.
Set “Solar First” as the priority of
output source.
Chan
e output source priority
to Utility first.
No LED display on
the front panel
when the utility
power is normal.
No LED display.
Battery is not connected well.
Chec
the external battery
cable and terminal. Make sure
all the battery connections to
the unit are all correct.
Battery defect. Replace the batteries.
Buzzer beeps
continuously and
red LED is on.
Fault code 00 Output short circuited.
Chec
if wirin
is connected
well and remove abnormal
load.
Fault code 01
Overload error. The inverter is
overload 110% and time is up.
Reduce the connected load by
switching off some
equipment.
Fault code 03 Output voltage too high Return to repair center.
Fault code 05 Fan fault Replace the fan.
Fault code 06
Internal temperature of inverter
component is over 100°C.
Chec
whether the air flow of
the unit is blocked or whether
the ambient temperature is
too high.
Fault code 08
Battery is over-charged. Return to repair center.
The battery voltage is too high.
Chec
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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