iTechworld 3000W - AC Appliance Not Turning On; Inverter Beeps Twice (Low DC Voltage); Inverter Beeps 3 Times (Low DC Voltage Shutdown)

appliance does
not turn on.
4. The AC appliance
is switched off
2. Check for short
circuits with your AC
wiring.
3. Test the AC
appliance on you
house 240V AC
socket
4. Turn on the AC
appliance
5. If there is still no
output, contact
iTechworld
The inverter
beeps twice
Low DC input voltage
warning.
The voltage at the DC
input reads below
10.5±0.5VDC
1. Check that the
battery is not flat,
and is fully charged,
recharge if low
2. Check that the
battery cables are
thick enough to
carry the required
current over the
required length. Use
thicker cable if
required.
3. Check for any loose
connections on the
DC input circuit.
The inverter
beeps 3 times and
the red Fault
Indicator LED
illuminates, and
there is no AC
output.
Low DC input voltage
shutdown warning.
When the voltage at
the DC input reads
below 10.0±0.5VDC,
the AC output of the
inverter will shut
down.
1. Check that the
battery is not flat,
and is fully charged,
recharge if low
2. Check that the
battery cables are
thick enough to
carry the required
current over the
required length.