Xtreme Power Conversion Corporation
M90 User’s Manual
Page 57
Uninterruptible Power Supply
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.
Reset All Events screen
Reset All Events Confirmation screen
Alarm List
The table below provides the complete list of UPS alarm messages.
Alarm List
Representation in display LCD
Explanation
Fault! Bus Over Voltage
DC bus voltage is too high
Fault! Bus Under Voltage
DC bus voltage is too low
Fault! Bus Voltage Unbalance
DC bus voltage is not balanced
Fault! Bus Short
DC bus is short
Fault! Bus Soft Start Time Out
The rectifiers can’t start due to low DC bus voltage within specified
duration
Fault! Inverter Soft Start Time Out
Inverter bus voltage cannot reach desired voltage within specified dura
-
tion
Fault! Inverter Voltage Over
Inverter Voltage is over Peak Value.
Summary of Contents for M90LU
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