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TROUBLESHOOTING
PROBLEM: Alarm is On
Reason/Solution
1. Display shows SC. Device has a short circuit or de-
mands too much surge power.
CycleinverterpowerOFFandON.
If problem persists, use a larger inverter or a
smaller device.
Remove defective device.
See warranty and call Customer Service
800-621-5485(Hours:7a.m.–4:30p.m.CST).
2. Display shows Lob. 12 Volt battery too low.
Recharge/replace low battery.
3. 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 Hi b. 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 in-
verter will automatically restart.