Table 4: General Specifications
INVERTER MODEL SERIES
Operating
Temperature
Range
5% to 95% Relative Humidity (Non-condensing)
7.0 Trouble Shooting
Unit shuts down
Automatically during
startup process.
LCD/LEDs and buzzer will
be active for 3 seconds
and then complete off.
The battery voltage is too low .
(<1.91V/Cell)
1.Re-charge battery.
2.Replace battery.
No response after
power on.
1.The battery voltage is far too
low. (<1.4V/Cell)
2.Battery polarity is connected
reversed.
1. Check if batteries and the wiring are connected
well.
2.Re-charge battery.
3.Replace battery.
Mains exist but the
unit works in battery
mode.
Input voltage is 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.
(UPS→Appliance)
Set “Battery First” or “Solar First”
as the priority of output source.
Change output source priority to Utility first.
When it’s turned on,
internal relay is
switching on and off
repeatedly.
LCD display and LEDs are
flashing
Check if battery wires are connected well.
Buzzer beeps
continuously and red
LED is on.(Fault code)
Buzzer beeps once
every second, and red
LED is flashing.
(Warning code)
1.Check whether all fans are working properly.
2.Replace the fan.
Internal temperature of component
is over 100℃.
1.Check whether the air flow of the unit is blocked or
whether the ambient temperature is too high.
2.Check whether the thermistor plug is loose.
Restart the unit, if the error happens again, please
return to repair center.
The battery voltage is too high.
Check if spec and quantity of batteries are meet
requirements.
The battery voltage/SOC is too low.
1.Measure battery voltage in DC input.
2.Check battery SOC in LCD when use Li battery.
3.Recharge the battery.
Check if wiring is connected well and remove
abnormal load.
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