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8–26 976-0043-01-02
05C Heatsink Overtemp
If “yes” is visible in this display, the power transistors have exceeded their
designed operating temperature and the inverter is shut off.
When this error condition occurs, if the unit is operating as a battery
charger, the inverter stops charging to prevent further overheating.
In the inverter mode, overheating can be caused by:
• powering an excessive load for too long,
• blocked air vents or a fan failure, and/or
• insufficient circulation that allows the exhaust from the unit to be
drawn back into the unit.
When the inverter has this error, AC current from the source (utility grid
or generator) is passed through the inverter to power the loads. Power
management features provided by the inverter are not available with this
error.
The inverter automatically resets when it has cooled.
05D Low Battery Voltage
If “yes” is visible in this display, the battery voltage has dropped below
the 11C Low Battery Cutout VDC setting continuously for the
11D LBCO Delay Minutes period.
When a battery protection fault occurs (due to either a high or low battery
charge condition), the yellow STATUS LED will flash. If this condition
continues without being corrected, then the inverter will shut down and
the red ERROR LED will illuminate solidly.
After shutting down from a low battery protection condition, the inverter
will return to normal operation when:
• the AC source power is restored and the inverter operates as a battery
charger,
• the inverter is manually restarted by pushing the red INV button on
the control module to access the 01A Inverter menu item and
selecting OFF, then SRCH or ON from the display, or
• the battery voltage rises above the setting in menu setting
11B Low Battery Cut In VDC.
AC current is still passed-through to the load if an AC source within
acceptable tolerance is available.