Operating Mode
Description
LCD Display
ECO Mode
When the input voltage is within voltage regulated
range, UPS will power the output directly from the
mains. ECO is an abbreviation of Efficiency Corrective
Optimizer. In this mode, when the battery is fully
charged, the fan will stop working to save energy
Buck Mode when
AC is normal
When the input voltage is higher than the voltage
regulation range but lower than high loss point, the
buck AVR will be activated
Boost mode when
AC is normal
When the input voltage is lower than the voltage
regulation range but higher than low loss point, the
boost AVR will be deactivated
Battery Mode
When the input voltage is beyond the acceptable range
or power failure and alarm is sounding every 10 seconds,
UPS will backup power from battery
Standby Mode
UPS is powered off and no output supply power, but can
still charge batteries
Fault Mode
When a fault occurs, the ERROR icon and the fault code
will be displayed
2.6 Operating Mode Description
Fault Event
Fault Code
Icon
Bus start fail
01
x
Bus over
02
x
Bus Under
03
x
Inverter soft start fail
11
x
Inverter voltage high
12
x
Inverter voltage low
13
x
Fault Event
Fault Code
Icon
Inverter output short
14
x
Battery voltage too high
27
x
Battery voltage too low
28
x
Over temperature
41
x
Over load
43
Charger failure
13
x
2.7 Faults Reference Codes
Warning
Icon (Flashing
Code
Alarm
Low battery
Sounds every 2 seconds
Overload
Sounds every second
Battery is not connected
Sounds every 2 seconds
Over Charge
Sounds every 2 seconds
Site wiring fault
Sounds every 2 seconds
2.8 Warning Indicator
Summary of Contents for UPS3000RM2U
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