Operating faults – Rackmount Solutions XRT Series User Manual

Page 32

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31

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 110-114%, overload screen
is displayed, alternating between “To Continue Press Any Key”.
Pressing any key returns you to the Mode Display and the unit
proceeds with shutdown after 30 seconds.

Error Detected

Over Current XXX%

Over Current xxx%

The load has exceeded 115%,

alarm sounds and the unit shuts down.

Error Detected

Battery Low

Battery Low

The battery voltage has fallen below 42

Volts.

Error Detected

Over Temp XX.XC

Over Temp xx.xC

The inverter temperature is too

high.

Low Voltage In

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

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

Output OFF

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

Output OFF

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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