Troubleshooting; Table 4-1, Inverter Error Codes - Sensata Magnum Energy CSW3012-X Owner's Manual

4.0

Troubleshooting

When the inverter shows an error code, use Table 4-1 to determine what
condition triggered the error/warning code and what corrective action is
needed. Use Table 4-2 to troubleshoot your inverter based on the symptoms.

Table 4-1, Inverter Error Codes

Code Condition
E01 Input battery voltage is
too low (<10.5 VDC). If
it happens in By-Pass
mode, the unit continues
supplying AC output power.
Otherwise, the AC output is
shut down.
E02 Input battery voltage is
too high—the unit has shut
down.
E03 AC output has sensed an
overload or short circuit
and was shut down.
E04 Internal temperature is
too high—the unit has shut
down.
E05 Input battery voltage is low
and has initiated a warning
alarm (@11.2 VDC).
E06 Inverter mode. The
connected AC output load
is large and is close to the
shutdown limit.
E07 Internal temperature is
high and is close to the
thermal shutdown limit.
E08-11 Not used.
E12 Internal transfer switch
temperature is high—a unit
shutdown occurs.
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4.0 Troubleshooting
Corrective Action
Immediately recharge the
battery, and then restart the
unit. Make sure the battery is
connected to the unit.
Check battery voltage, or
determine if any external charger
is connected to the battery bank.
Check the load connected to the
output. Reduce the load and then
restart the unit.
Turn unit off , and then wait 15
minutes before restarting. Ensure
the unit's air fl ow and fans are
not blocked and ensure the unit's
fans are running.
Recharge the battery—the unit
will shut down shortly.
Reduce the load.
Reduce the load and check if the
unit's ventilation is blocked.
Reduce the load and check if the
unit's fans are running and if the
fans/ventilation are blocked.
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