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Failure
Possible Cause
Corrective Action
The run time for
appliance is less
than expected.
The internal battery is
not fully charged.
Recharge the power pack by using
the AC charger until the unit is fully
charged.
The alarm sounds and reverse
connection indicator is on.
The jump start cables are
connected incorrectly.
Connect the jump start cables the
correct way.
The AC appliance does not operate,
alarm is sounding and
“Over load” on
screen.
The overload protection
feature trips, as the AC
appliance is rated more
than 200 W.
Use AC appliance with a power
rating of less than 200 W.
The AC appliance does not operate,
alarm is sounding.
“Low input” on
screen.
The battery has
discharged to less
than 11 V.
Recharge the battery.
The AC appliance does not operate,
alarm is sounding.
“Overheat” on
screen.
The power pack is
overheated due to
poor ventilation or
excessively warm
environmental conditions.
Allow the power pack to cool for
15 minutes or
more. Clear blocked ventilation
opening or
remove objects covering the
power pack, then
restart the power pack.
