Fault Cause
Battery voltage abnormal The battery voltage exceeds the normal range.
Over temp
The internalheat sink temperature or ambient temperature exceeds the setting range, and the output
is off.
Overload The UPS output is overloaded
Charger failure The charger does not have output and battery voltage is low
Table 4.5 Faults (continued)
Alarm source Alarm
UPS Fault Continuously sounding
Battery Mode Sounding every 10 seconds
Battery low pre-warning Sounding every 2 seconds
Overload pre-warning Sounding every second
No battery Sounding every 2 seconds
Battery overcharge Sounding every 2 seconds
Input ground lost or phase reversed Sounding every 2 seconds
EPO Sounding every 2 seconds
Over temp pre-warning Sounding every 2 seconds
Charger fail pre-warning Sounding every 2 seconds
Battery fault Sounding every 2 seconds (UPS output is off)
Battery replacement timeout Sounding every 2 seconds
EEPROM fail Sounding every 2 seconds
Table 4.6 Audible Alarm
4 Operations
37
Liebert® EDGE Installer/User Guide
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