TROUBLESHOOTING
Problem
Situation
Action
No power
output
Faulty connection
Turn the Inverter power switch off; verify cables are tightly
connected to the Inverter and the power source.
Battery voltage below
10 volts
Recharge or replace battery.
Equipment being
operated draws too
much power
Reduce the output load; DO NOT exceed maximum rating
for the Inverter.
Inverter in thermal
shutdown condition
Allow Inverter to cool down. Ensure there is adequate
ventilation around the Inverter. Ensure that load is no more
than its maximum rating for continuous operation.
Low voltage
alarm turns on
immediately
The input voltage at
the input of the Inverter
needs to be raised
Recharge/replace battery or add additional batteries. Run the
vehicle engine when using a 12V DC plug.
Low voltage
alarm is on all
the time
Poor battery condition
with low input voltage
Replace battery.
Inadequate power or
voltage drops
Check condition of battery cables and cable leads. Clean or
replace as necessary.
Low power
output
Battery condition may
be poor
Recharge or replace battery.
Faulty connection
Make sure the battery and Inverter terminals are clean.
Inverter does
not work after
connecting
the cables in
reverse
The internal protection
has disabled the Inverter
Contact Old World Industries.
