Wagan Tech Smart AC 100 USB Guide D'utilisation page 5

Probable Cause
Lighter socket or 12 volt outlet may
require ignition to be switched on.
Poor contact with lighter socket or 12
volt outlet.
Battery is discharged.
Fuse blown by heavy load.
Problem: Buzzing sound in audio systems
Inexpensive stereo systems have an inadequate internal power supply filtering
which causes a buzzing sound. A system with a high quality filter is the only
solution.
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User's Manual—Read before using this equipment
©2017 Wagan Corporation. All Rights Reserved.
Suggested Remedy
Turn ignition key to accessory posi-
tion.
Press inverter firmly into the lighter
socket. Make sure the socket is clean.
Recharge battery.
Replace the 8A slow blow fuse by
unscrewing the fitting in the positive
connector.
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