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• 8 •
9. LED DISPLAY
The LED display identies the current status of the inverter.
VOLTS IN: The voltage of the vehicle’s battery, portable power jump starter or DC power
source.
WATTS: The power or wattage supplied to the device plugged into the inverter.
NOTE: The tolerance of the display is ± 15% when the output power is higher than 200 watts.
An audio alarm will sound when any of the following codes display. To stop the alarm,
press the On/Off switch:
•OUP – The vehicle’s battery voltage is between 15 and 16 volts. The inverter will
automatically restart after the voltage drops below 15.0 volts.
•OLP – The continuous load demand from the device exceeds the inverter’s wattage output.
•OCP – The inverter is overheated and automatically turns off for a period of 1 to 3 minutes
to cool. Make sure the inverter is well ventilated. It will automatically restart after it cools.
•LUP – Low Voltage Alarm. The vehicle’s battery voltage is between 10.7 and 11.3 volts.
•LUP – Low Voltage Shutdown. The vehicle’s battery voltage is between 10.2 and 10.8 volts.
•OPP – Short circuit, power surge or overload in the device.
10. IF THE INVERTER FUSE BLOWS
The power inverter is tted with fuses, which should not have to be replaced under normal
operating conditions. A blown fuse is usually caused by reverse polarity or a short circuit
within the device or equipment being operated.
If the fuses blow:
The fuse is not user-replaceable; take the inverter to a qualied service person.
11. MAINTENANCE INSTRUCTIONS
11.1 After use and before performing maintenance, unplug the device and disconnect the
inverter from the 12 volt power supply.
11.2 Use a dry cloth to wipe all battery corrosion and other dirt or oil from the battery terminals,
cords, and the inverter case.
11.3 Ensure that all of the inverter components are in place and in good working condition.
11.4 Servicing does not require opening the unit, as there are no user-serviceable parts.
11.5 All other servicing should be performed by qualied service personnel.
12. TROUBLESHOOTING
PROBLEM REASON SOLUTION
Audible alarm is on, and/or
inverter does not function.
Poor contact at terminals.
Fuse blown.
Inverter shutdown.
Check connections at power
supply.
See “IF THE INVERTER
FUSE BLOWS” section.
See “LED INDICATOR AND
SHUTDOWN PROTECTION”
section.
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