Schumacher Electric PID-760, Owner'S Manual

Page: 8 / 12

8
TROUBLESHOOTING
PROBLEM: Alarm is On
Reason / Solution
1. Display shows SC . Device has a short circuit or
demands too much surge power.
Cycle inverter power OFF and ON.
If problem persists, use a larger inverter or a smaller
device.
Remove defective device.
See warranty and call Customer Service 800-621-5485
(Hours: 7 a.m. – 4:0 p.m. CST).
2. Display shows Lob . 12 volt battery too low.
Recharge/replace low battery.
. Display shows voltage In between 10.5 and 11.0
volts.
12 Volt battery is low.
Recharge/replace low battery.
Inverter will automatically shut off after battery voltage
reaches 10.5 Volts.
4. Display shows Hib . 12 volt voltage is too high.
If in a vehicle, repair/replace the alternator or charging
system.
Use a properly sized and rated 12 Volt battery.
If input voltage returns to 15 Volts or less, the inverter
will automatically restart.