Chapter 4: Operation; Ups Start-Up - Delta RT5k User Manual

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Chapter 4: Operation

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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.
Amplon RT Series

UPS Start-up

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The UPS will auto detect the input frequency to determine
the output frequency (the default value is 50Hz).
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Auto displays input voltage and frequency.
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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.
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When the inverter test result is ok, it will show INVERTER
OK.
NOTE:
When the LCD shows each screen (
bypass LED
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Now, the UPS is in on-line mode and the on-line LED
illuminates (green).
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will illuminate (yellow).
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), the