User’s Manual—Read before using this equipment
PROBLEM: Continuous Buzzing Sound
Reason
Solution
Input voltage is below 10.5 volts.
Keep input voltage above 10.5 volts.
Poor or weak battery condition.
Recharge or replace battery.
Poor or loose cable connection.
Inspect terminals and tighten all
connections.
Inadequate power being delivered to
the inverter or excessive voltage drop.
Use heavier gauge DC cables.
Keep cable length as short as possible.
