53
Operation
Reading the Status LEDs
For further information, refer to the “Troubleshooting LED Status” chart on page 54.
LED
State
Status
INVERT
Solid Green
Unit is in invert mode.
Blinking Slowly
(once a second)
Inverter is in standby mode, with AC power
applied, and the transfer switch engaged.
No Light
Inverter is turned off.
CHARGE
Solid Green
Charger is turned on.
Blinking Slowly
(once a second)
Charger is ready, but external AC power is not
available.
No Light
Charger is turned off.
LOW
BATTERY
Solid Red
Battery warning condition. Battery voltage is
below 10.5 volts DC or above 15.0 volts DC.
Blinking Slowly
(once a second)
Unit has shutdown. Battery voltage is either
below 10.0 volts DC or above 15.5 volts DC.
Blinking Rapidly
(five times a
second)
Potential problem in the DC system has been
detected.
Check batteries, battery cables and DC loads.
No Light
Battery voltage is normal, i.e., between 10.5 and
15.0 volts DC.
OVERTEMP/
OVERLOAD
Solid Red
Unit is too hot, or the required output current is
too high. Unit will automatically restart when it
has cooled down.
Check for excessive loads or a short circuit on
the inverter output. Correct the problem and
restart by pressing INVERT.
Blinking Slowly
(once a second)
System has shut off and will not automatically
restart. Either output current is too high or there
is a short circuit.
Correct the problem and restart by pressing
INVERT.
No Light
Operation is normal.
LOW
BATTERY &
OVERTEMP/
OVERLOAD
Both Blinking
Rapidly (five
times a second)
AC power back-feed exists, i.e., external AC
power is connected to the inverter’s output.
Inspect the wiring and correct the problem before
using the unit.
Using the unit with a back-feed will damage it
and void your warranty.
