OPERATING FAULTS
If, during operation, a fault is detected the XRT UPS will sound the alarm beeper and display the fault cause on the front panel. If you have disabled the alarm beeper, the fault will still be displayed. In the XRT600 UPS the upper four LED’s will be turned on according to the chart provided earlier. In the XRT1000 and above, the LCD screen will show the fault message. If more than one fault happens simultaneously, all active faults will be shown for 3 seconds and then cycled to the next fault. Following is a list of alarm faults for the XRT1000 and above, and their meaning;
Overload XXX%
Overload xxx% The load has exceeded 110% of the capability of the UPS. If between
Error Detected
Over Current XXX%
Error Detected Battery Low
Error Detected
Over Temp XX.XC
Low Voltage In
High Voltage In
OUT OFF Ext Cntl
Output OFF
OUT OFF Man Cntl
Output OFF
Over Current xxx% The load has exceeded 115%, alarm sounds and the unit shuts down.
Battery Low The battery voltage has fallen below 42 Volts.
Over Temp xx.xC The inverter temperature is too high.
Low Voltage In The utility power is below safe operating range. The UPS is correcting this condition without using batteries. This screen alternates messages between “Low Voltage In” and “To Continue Press Any Key”. Pressing any key will return you to the Mode Display Screen.
High Voltage In The utility power is above safe operating range. The UPS is correcting this condition without using batteries. This screen alternates messages between “High Voltage In” and “To Continue Press Any Key”. Pressing any key will return you to the Mode Display Screen.
OUT OFF Ext CNTL The output of the UPS has been turned off via the remote control port. This screen alternates with the “To Continue Press Any Key”. Pressing any key returns you to the Mode Display screen.
OUT OFF Man CNTL The output of the UPS has been turned off via the Output Off relay/switch input. This screen alternates with the “To Continue Press Any Key”.
Pressing any key returns you to the Mode Display screen.
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