iTechworld 2000W - Troubleshooting Common Issues; No Output or Indicator Lights; Inverter Beeps Once

Troubleshooting
Symptom
Possible Cause
Solutions
The Main Switch is
ON, but there is
no 240V AC
output or any LED
indicator lights on.
There is no voltage at
the DC input.
1. Check that the
battery fuse is not
blown and in-tact
2. Check that all the DC
input connections
are tight.
3. Check the continuity
of the DC input
circuit
4. If using a lithium
battery, check to see
if it as gone into
protection/safe
mode, if so, please
follow your battery
manufacturer’s
instructions on how
to reset the battery.
The polarity of the DC
input has been
reversed and blown
the internal fuses.
(NOTE: This may have
caused permanent
damage to the
inverter, and void all
warranty)
The inverter will need to
be returned to
iTechworld for further
assessment.
The inverter
beeps once,
Power LED
indicator is
illuminates green.
But the
connected AC
1. Loose AC output
connections.
2. Short circuit of
AC output wiring
3. The AC appliance
is faulty
1. Double check that
all AC output
connections are
tight and not loose.
(Consult a licensed
electrician)