Njoy Aster Series User Manual page 21

8.4 Event ID descriptions
Event ID Description of Cause
Bus Start Fail: DC-DC converter or bus sensing circuit
E01
failed.
E02 Bus Volt High: DC-DC converter failed.
E03 Bus Volt Low: DC-DC converter failed.
E04 Bus Unbalanced: DC-DC converter failed.
E06 INV Start Fail: Inverter circuit failed.
INV Volt High: Inverter circuit or output voltage sensing
E07
circuit failed.
INV Volt Low: The load may be too heavy or inverter
E08
circuit failed.
E09 INV Short: The inverter circuit failed.
Bat Volt High: The external battery module connection is
E11
wrong, or the charger failed.
E12 Bat Volt Low: Batteries failed.
E14 Over Load: UPS is overloaded.
Fan Fail: The ventilation hole has been covered, or the
E18
fans can't work.
Over Temperature: High ambient temperature, or the
E19
ventilation hole has been covered.
A56 Bat Volt Low: Battery voltage is low.
A57 Bat Cap Low: Battery capacity is low.
A59 Bat Disconnect: Battery is disconnected.
A60 Overcharge: Charger voltage is high.
A61 Charger Fail: Charger is failed.
A62 Bat Bad: Battery failed.
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