1072569
P a g e
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9
Indication
Error code"OUP"
displayed, no
output, alarming
High input
voltage
shut off
The input voltage
is too high, over
15V
Remove all
appliances , turn
off the unit and
check the battery
voltage , make
sure it is within
11-15V
Error code"OLP"
displayed, no
output, alarming
Over load
shut off
Appliances
connected are
more than
inverter's output
capacity 3000W
or short circuit
Remove all
appliances , turn
off the unit and
reduce the loads
within 3000W.
Check if short
circuit occurred.
Error code"OCP"
displayed, no
output, alarming
Over heat
shut off
The inverter is
over heated
Remove all
appliances , turn
off the unit and
remove objects
covering inverter if
any, cool down for
15 minutes, restart.
Protection type Possible cause
Solution
Error code"OPP"
displayed, no
output, alarming
No indicator, no
output
/
Short circuit
shut off
There is short
circuit.
Remove all
appliances , turn off
the unit .Check and
solve short circuit
and restart
Replace battery
check cable
connection, tighten
as required
Ask for technician's
help
Battery is defective
Loose connection
Inverter is
damaged