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4.3 Alarm List
In Table 4-12, it provides the complete list of UPS alarm messages.
Table 4-12: Alarm List
Representation in display LCD
Fault! Bus Over Voltage
Fault! Bus Under Voltage
Fault! Bus Voltage Unbalance
Fault! Bus Short
Fault! Bus Soft Start Time Out
Fault! Inverter Soft Start Time Out
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Figure 4-42 Reset All Events screen
Figure 4-43 Reset All Events Confirmation screen
Explanation
DC bus voltage is too high
DC bus voltage is too low
DC bus voltage is not balanced
DC bus is short
The rectifiers can't start due to low DC bus voltage
within specified duration
Inverter bus voltage cannot reach desired voltage within
specified duration
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