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Battery is old or properly
defective.
Replace battery.
Battery is not being properly
charged.
Some chargers are not able to fully
recharge a battery. Make sure you
use a powerful charger.
Power dissipation in DC cables.
Use shorter/heavier DC cables.
#53069/#53070
Failure
#53069/#53070
Possible Cause
#53069/#53070
Corrective Action
The digital display
shows “LUP”.
Low battery voltage. Shut-down
feature turns OFF the inverter.
Recharge the battery. Check if cables
and connections are secure.
DC wiring is incorrect.
Use proper cable length and gauge.
Make secure cable connections.
Battery condition is poor.
Charge or replace the battery if
needed.
The digital display
shows “OUP”.
High battery voltage shutdown
feature turns OFF the inverter.
Make sure the inverter is connected to
a 12V battery.
The digital display
shows “OLP”.
AC output overload shut-down
feature turns OFF the inverter.
Make sure the load attached to the
inverter is within the operating limit.
The digital display
shows “OCP”.
The digital display
shows “OCP”.
Make sure the inverter is placed in a
well-ventilated area and ventilation
openings are not obstructed. Reduce
the ambient temperature if possible.
The digital display
shows “OPP”.
Occurrence of short circuit.
Check the AC wiring.
No output voltage
and voltage
indication.
The inverter is in OFF position.
Turn ON the inverter.
There is no power supply to the
inverter.
Check the wiring to the inverter.
The DC polarity is reversed.
Reverse DC polarity will damage the
inverter and voiding the warranty. Have
a qualified service technician to repair.
Parts List
Reference
Part Description
Quantity
Image
1
Inverter
1
2
DC cable (red + black)
2
