OPERATING MODE/STATUS 
Description  LCD Display 
Battery Mode 
When the input voltage is 
beyond the acceptable range 
or power failure, UPS will 
backup power from battery 
and alarm will beep every 4 
seconds. 
 
Bypass Mode 
While input voltage is within 
acceptable range and bypass 
is enabled, turn off the UPS 
and it will enter Bypass mode. 
Alarm beeps every two min- 
utes. 
 
 
Battery Test 
While UPS is in AC mode or 
CVCF mode, press the “Test” 
key for at least 0.5 seconds. 
Then the UPS will beep once 
and start the “Battery Test”. 
The line between PFC and 
CVCF icons will blink to remind 
users. This operation is used 
to check the battery status. 
 
When the UPS has a fault, it 
will show “FAULT CODE” in 
upper left of the LCD display 
with a fault code below the 
message.