Njoy Echo Pro Series User Manual page 10

Setting Configure Available Default
item Submenu Settings Setting
[0%]
(Disable)
ECO
003 0%
[10%]
Mode*
[15%]
(Enable)
[DIS]
(Disable)
Bypass
004 Enable
Mode**
[ENA]
(Enable)
[DIS]
(Disable)
Converter
005 Disable
Mode
[ENA]
(Enable)
*) When operating in ECO Mode, the efficiency of UPS is higher than that in online mode,
but transfer time should not be 0ms
**) When operating in Converter Mode, the frequency of output should be always 50Hz
or 60Hz, but load capacity will be derated by 40%.
*) This function would be set as 0% when Converter Mode is enabled.
**) UPS has no bypass when Converter Mode is enabled.
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LCD Display
5.5 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 bad: 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.
A62 Bat low: Battery voltage low.
A66 EPO Off: Missing the EPO connection
High Temperature: High ambient temperature, or the
ventilation hole has been covered. This is shown only
A68
when start up UPS.
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