Inverter Fault
The UPS raises an alarm if the inverter function does not perform as expected.
XAlarms Inverter Fault
Battery Low
The batteries are automatically charged by the UPS when it is connected to utility voltage. Therefore, if this alarm is triggered while the UPS is on the utility voltage, the battery test has failed and the batteries must be replaced.
Otherwise, it is a warning that the battery runtime is low¾a
XAlarms Battery Low
Utility Not Present
When the utility voltage cuts off, the UPS sounds an alarm. The Battery LED (the left yellow LED) will light, indicating the switch to battery power. Check the utility voltage connection.
XAlarms
Utility Not Present
Battery Totally Discharged
This means there is no charge left in the battery, and the UPS can no longer power its loads. The batteries must be recharged for 24 hours before further use. If this alarm occurs when the UPS is not on battery power, the battery needs to be replaced.
X Alarms
Battery Totally Discharged
UPS on Battery
When the UPS switches to battery power, it triggers an alarm. The left yellow
LED will light.