7. Troubleshooting
runs small loads
but not large ones.
The voltage input is too low
(alarm is sounding).
charge the battery
Inverter is overheated due
to poor ventilation and has
shut down.
Unplug inverter from DC
socket and allow to be
cooled for 15 minutes.
Remove objects
covering unit. Move the
inverter to a cooler place.
Reduce load if
continuous operation is
required. Restart.
Low voltage battery
Charge the battery
PROBLEM CAUSE SOLUTION
No power, no
indicator.
Battery is defective Replace battery
Blown fuse Check and replace fuse
Lose cable connections
Check the connection
to the battery. Tighten
as required.
AC products connected are
rated at more than 2000W;
overload shutdown has
occurred
AC products are rated less
than 2000W, but high
starting surge has caused
overload shutdown.
Reduce load, use a
product with power
rating less than 2000W.
Use a product with
starting surge power
within the inverter’s
capability (≤4000W).
Unit is shutdown
with display
showing ”OLP”
shutdown
with display
showing “LUP”
Unit is shutdown
with display
showing “OCP”
shutdown
with display
showing “OPP”
Inverter is short circuit and
has shut down.
Reset to normal
operation by using
manual switch
11.
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