Schumacher Power Inverter PID-760 - Manual (Page 7)

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Although it is not necessary to disconnect the inverter when turning over the
engine, it may briefly cease to operate as the battery voltage decreases. While
the inverter draws very low amperage when not in use, it should be unplugged to
avoid battery drain.
7. LED DISPLAY
The LED display identifies the current status of the inverter.
VOLTS DC: The voltage of the vehicle’s battery, Portable Power jump starter or
DC power source.
VOLTS AC: The voltage supplied to the device through the AC receptacle.
WATTS: The power or wattage supplied to the device plugged into the inverter.
An audio alarm will sound when any of the following codes display. To stop the
alarm, press the ON/OFF switch:
•  – The inverter is not functional. See warranty and call Customer Service.
•  – The vehicle’s battery voltage is more than 15.5V. The inverter will
automatically restart after the voltage drops below 15.0V.
•  – The continuous load demand from the device exceeds the inverter’s
wattage output.
•  – 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.
•  – The vehicle’s battery voltage is less than 10.5V.
•  – Short circuit, power surge or overload in the device.
8. IF THE INVERTER FUSE BLOWS
Your power inverter is fitted with a fuse, 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 fuse does blow, take the inverter to a qualified technician for repair.
9. TROUBLESHOOTING
PROBLEM REASON SOLUTION
Alarm is on. Display shows . Device
has a short circuit or
demands too much surge
power.
Display shows . 12V
battery is too low.
Cycle the inverter power OFF
and ON.
If problem persists, use a larger
inverter or a smaller device.
Remove the defective device.
See warranty and call Customer
Service.
Recharge/replace battery.