6�2�1� Faults - Vertiv Liebert GXT5 Series Installer/User Manual

6.2.1. Faults
When the fault indicator is illuminated, the LCD displays the fault� The faults are described in
Table 6-2 Description of displayed faults
DISPLAYED FAULT CAUSE
Battery test fail The battery is bad or weak�
Rectifier fault A rectifier failure occurred�
Inverter overload, Bypass
The UPS is overloaded, Bypass is over current�
overcurrent
Inverter fault The inverter is faulty�
Battery aged The battery is bad or weak�
Output short The output connection is short-circuited�
DC bus fail The DC bus is faulty�
Over-temperature condition in the UPS� The
System overtemp
UPS will transfer to bypass mode�
Charger fault The charger is faulty�
Fan fault At least one fan is faulty�
DC/DC fault A DC-DC charger failure occurred�
64
CORRECTIVE STEPS
Contact technical support�
Contact technical support�
Reduce the load and contact technical support�
Contact technical support�
Replace the battery�
Shut-down the equipment and contact technical support�
Contact technical support�
Reduce the load and contact technical support�
Contact technical support�
Contact technical support�
Contact technical support�
Table 6-2 below�
Troubleshooting