‐16‐
Line buck
mode
When input AC mains is high ,
the UPS works in line buck mode,
charge the battery and protect the
load.
Battery
Mode
When input AC mains is output of
line range, the UPS works on
battery mode. The green LED is on
The yellow warning LED blink once
4 seconds and buzzer beep and if
the battery voltage is low , blink
once 1 seconds and buzzer beep.
Fault Mode
When the UPS has fault. The
yellow and red LEDs are on and
the buzzer beeps. The UPS will
turn to fault mode. The UPS cuts
off the output and the LCD display
fault codes. At the moment, you
can press the mute key to make
the buzzer stop beeping
temporarily to wait for
maintenance. You can also press
the OFF key to shut down the UPS
when confirm that there is no
serious fault.
NOTE: As for corresponding
information of the fault code,
please refer to 3-6. Faults
Reference Code
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