Table 4, Inverter Battery Turn On/Off Levels - Sensata MAGNUM ENERGY MM Series Owner's Manual

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Low Battery – The inverter will shut off whenever the battery voltage

falls to the Low Battery Cut Out (LBCO) level to protect the batteries

from being over-discharged. After the inverter has reached the LBCO

level and turned off, the inverter will automatically restart after one of

the following conditions:

AC power is applied and the inverter begins operating as a battery

charger.

Battery voltage rises to the Low Battery Cut In (LBCI) level.

The inverter's status LED turns off when a low battery fault condition

occurs. Refer to Table 4 to determine the LBCO and LBCI levels for your

particular inverter model.

•

High Battery – In the event the battery voltage approaches the High

Battery Cut Out (HBCO) level, the inverter will automatically shut down

to prevent the inverter from supplying unregulated AC output voltage.

The inverter's status LED turns off when a high battery fault condition

occurs. The inverter will automatically restart when the battery falls to

the High Battery Cut In (HBCI) level. Refer to Table 4 to determine the

HBCO and HBCI levels for your particular inverter model.

Info: High battery voltage may be caused by excessive

or unregulated voltage from solar panels or other external

charging sources.

•

Overload – During Inverter and Standby modes, the inverter monitors

the DC and AC current levels. In the event of a short-circuit or an overload

condition for more than a few seconds, the inverter will shut down. To

start operating after this fault, the inverter needs to be restarted (turned

back on) after the inverter's AC loads are reduced/removed.

•

Over-temperature – If internal power components begin to exceed their

safe operating temperature level, the inverter will shut down to protect

itself from damage. The inverter's status LED turns OFF to indicate the

over-temperature fault condition. The inverter will automatically restart

after the units cools down.

•

Internal Fault – The inverter continually monitors several internal

components and the processor communications. If a condition occurs

that doesn't allow proper internal operation, the inverter will shut down

to protect itself and the connected loads. The inverter will need to be

reset to start operating (see Section C-3.1).