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Operation
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Monitoring the Indicator Lights
The four indicator lights on the front panel show you the operating status
of the XS400. See Table 3-2.
For an illustration of the indicator lights on the front panel, see “Front
Panel of the XS400” on page 3–2.
If none of the front panel lights are on, see “Troubleshooting Reference”
on page 4–2.
Table 3-2
Status of Indicator Lights
Light Color Status Action
AC Input Green When the XS400 is connected to
shore power, the AC Input light
illuminates.
You can run all your appliances from
shore power.
Inverter ON Green When the XS400 is on, the Inverter
ON light illuminates.
You can run your appliances from
the battery.
Low Battery &
Inverter ON
Yellow &
Green
When both lights illuminate, your
battery level is low. (The battery
voltage has dropped below 10.7
volts DC.)
You can run your appliances but
your battery level is low. Charge
your battery or connect to shore
power.
Low Battery Yellow When the Low Battery light
illuminates, your battery level is
critically low. (The battery voltage
has dropped below 10.3 volts DC.)
You cannot run appliances. Charge
your battery or connect to shore
power.
Fault Red The Fault light illuminates
whenever there is a battery over-
voltage fault condition (exceeds
15.3 volts), output overload fault
condition or over-temperature fault
condition.
You cannot run appliances as the AC
output is disabled in invert mode.
Clear the fault condition. Reset the
XS400 by turning the On/Standby
switch on the XS400 or the S400
Remote Switch to Standby
() and
then to On ( )
, or connect to shore
power.