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5 Troubleshooting
WARNING：
High voltage is inside the inverter, do not open or
disassemble it! Attempting to service the unit yourself
may cause the risk of electrical shock or fire!
Problem
Input LED blink,
fault red LED
slow blink
Load LED blink,
fault red LED
fast blink
Fault indicator
red and green
slowly flashing
alternately
Fault red LED
The bypass
indicator is OFF
Possible Cause
Input voltage is
too high or too
low
Overload
load short
Inverter over
temperature
Inverter
abnormal
The bypass no
AC output
Solution
Measure the input voltage.
The inverter recovers when
the input becomes normal.
or
Check out if the AC load is
within the rated power or
whether there is load short.
Improve
ventilation and do not block
the
vent.
inverter when it is cool
down.
Remove all the connected
plugs then restart. If inverter
works well, please check
the load and line. If the LED
keeps red, the inverter has
inside faults and should be
returned to the factory.
Check if there is any AC
input by measuring the
voltage at the bypass input
end with a voltmeter
14
the
quality
Restart
of
the
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