Delta RT5k - Page 17

Chapter 4 Operation
13
z
UPS Start-up with Battery:
Press the ‘ON’ button for 3~5 seconds to start up the UPS.
1. When you press the ‘ON’ button, the LCD will show the message below.
2.
After the ‘ON’ button is pressed for 3~5 seconds, the system will beep. Release the but-
ton and the UPS will start up. The UPS performs self-diagnosis and the LCD automatically
shows the following messages in order.
n

As there is no input signal available, the UPS will select
the default frequency as the output frequency (the de-
fault value is 50Hz).
Y
Auto displays input voltage and frequency.
Z

Auto checks recti er. If ok, it will show RECTIFIER OK.
[
Auto executes battery test. If ok, it will show BATTERY
OK.
\
Auto checks DC BUS voltage. If ok, it will show DC BUS
OK.
]
Auto tests the inverter.
^
When the inverter test result is ok, it will show INVERT-
ER OK.
NOTE: When the LCD shows each screen (n~^), no
LED will illuminate.
_
The UPS automatically displays the battery capacity
and the battery LED
illuminates (green).