12
Amplon RT Series
UPS Start-up
z
UPS Start-up with AC Input:
Press the ‘ON’ button for 3~5 seconds to start up the UPS. After the button is pressed for 3~5
seconds, the system will beep. Release the button and the UPS will start up. The UPS per-
forms self-diagnosis and the LCD automatically shows the following messages in order.
n
The UPS will auto detect the input frequency to determine
the output frequency (the default value is 50Hz).
Y
Auto displays input voltage and frequency.
Z
Auto checks the recti er. If ok, it will show RECTIFIER OK.
[
Auto checks the charger. If ok, it will show CHARGER OK.
\
Auto checks the battery. If ok, it will show BATTERY OK.
]
Auto checks the 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 INVERTER
OK.
NOTE:
When the LCD shows each screen (
n
~
_
), the
bypass LED
will illuminate (yellow).
`
Now, the UPS is in on-line mode and the on-line LED
illuminates (green).
N
Chapter 4: Operation