Delta DPS-500K, User Manual

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Ultron DPS Series
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SELF DIAGNOSIS
ON AUTO BYPASS
TO BROWSE EVENT (004) PRESS
5
After each unit’s inverter voltage establishes, all parallel UPSs will transfer to normal
mode. At this moment, each UPS’s Inverter Power Supply LED illuminates and
each UPS’s LCD shows the following screen.
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LOAD PROTECTED
ON LINE
TO BROWSE EVENT (004) PRESS
6
Measure each UPS’s voltage difference between phases (should be below 5V).
If normal, turn on each UPS’s Output Switch (Q4). At this moment, each unit’s
Output Switch LED
lights on and each UPS’s LCD shows the following screen. If
abnormal, please contact maintenance personnel.
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LOAD PROTECTED
ON LINE
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