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18
7
TROUBLESHOOTING
Problem
Possible Cause
Action to Take
Inverter shows no reaction
when AC input is connected
1. Line cord plug is loose
2. Fuse on rear panel is blown
(located Inside the drawer of
the inlet)
3. Dead wall socket
1. Check the line cord plug
2. Replace the fuse
3. Check the wall socket with a
desk lamp.
Power output is normal, Inverter
emits continuous beep, status
LED shows RED, or LCD shows
“overload”.
Inverter is overloaded
Turn OFF the Inverter and
unplug the excessive load from
the Inverter. Turn the Inverter
back ON.
No power on outlets, Inverter
emits continuous beep, status
LED show RED or LCD shows
“overload”.
Inverter has shut down due to
severe overload.
Unplug excessive load from
Inverter, press the Silence
button to reset the buzzer, and
turn ON the Inverter again.
Inverter does not provide
expected on-battery run time.
1. Excessive load is connected
to Inverter’s outlets.
2. Battery is weak and cannot
provide enough capacity.
Do not operate the Inverter,
leave the Inverter plugged in for
10 hours. Then test it again. If
the Inverter still cannot provide
the expected runtime, the
battery should be replaced.
Button on the front panel does
not work.
1. The CPU inside the Inverter is
not running correctly.
2. The button has been
damaged.
1. Unplug the AC input power
cord and push the ON/OFF
button for 15 seconds to reset
the Inverter.
2. Unplug all the load and the
AC input power cord from the
Inverter to let it turn OFF
automatically, and call for
service support.
Pushing the Self Test button to
test the Inverter running in AC
mode, makes the Inverter to
emit urgent beeps and the LCD
display shows “Battery
replacement”.
Battery is weak and should be
replaced.
Replace the batteries.
Inverter cannot be turned ON.
1. Battery polarity is wrong.
2. Inverter is faulty.
1. Check the battery
connection.
2. Call for service support.