Schumacher PID-760 - Manual (Page 7)

7
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 volt-
age reaches 10.5 Volts.
4. Display shows Hib . 12 volt voltage is too high.
If in a vehicle, repair/replace the alternator or charg-
ing system.
Use a properly sized and rated 12 Volt battery.
If input voltage returns to 15 Volts or less, the in-
verter will automatically restart.