© 2017 Sensata Technologies
37
Protection Mode
There are
fi
ve fault conditions that will cause the inverter to shut
down: Low Battery, High Battery, Over-temperature, AC Overload,
and Internal faults. If your inverter has shut down, monitor the
status indicator and count the number of blinks that occur every
four seconds to determine the particular reason for the shutdown.
Refer to the Troubleshooting section to help diagnose/clear the
fault condition.
• Blinks on x1 every four seconds
– Low Battery fault.
• Blinks on x2 every four seconds
– High Battery fault.
• Blinks on x3 every four seconds
– Over-temperature fault.
• Blinks on x4 every four seconds
– AC Overload fault.
• Blinks on x5 every four seconds
– Internal fault.
Charge Mode
The green LED status indicator provides additional information:
• Blinks off every four seconds
– The unit is charging the batteries
connected to the inverter. The external AC power (shorepower
or generator) connected to the inverter’s input is passing
through the inverter and is powering the AC loads connected
to the inverter’s output.
3.5
Factory Default Settings
The MMS Series inverter/charger uses default settings that are
adequate for most installations (see Table 3-2). However, you
can adjust these parameters using Sensata’s optional ME-RC50
remote. The settings once programmed are saved in non-volatile
memory and are preserved until changed—even if DC power to
the inverter is lost (ME-RC50 must always be connected). The
following information can help you determine if you need the
ME-RC50 remote
*
.
01 Search Watts:
This setting allows you to turn off the power-
saving Search mode circuitry and to adjust the power level at which
the inverter will “wake up” and start inverting.
02 Low Battery Cut Out:
This setting determines when the inverter
will turn off based on low battery voltage. The inverter turns off
automatically after the battery voltage has been below this setting
for more than one minute. This protects the batteries from over-
discharge and the AC loads from unregulated power (brown-outs).
03 Battery AmpHrs:
This setting allows you to input the battery
bank size in amp hours. This provides information to the charger
on how long to charge the batteries in the Absorb Charging stage.
* Visit www.SensataPower.com for more information.
Operation
