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M90 User's Manual
Reset All Events
The Maintainer password is required to enter Reset All Events screen as shown in Figure 4-42. Then, use LEFT and
RIGHT buttons to choose YES or NO. Choose YES and press ENTER button to reset all events or choose NO to cancel
this action.
Alarm List
The table below provides the complete list of UPS alarm messages.
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
Fault! Inverter Voltage Over
Xtreme Power Conversion Corporation
Reset All Events screen
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 dura-
tion
Inverter Voltage is over Peak Value.
Uninterruptible Power Supply
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