Troubleshooting62
Table 6-2 Description of displayed faults (continued)
DISPLAYED FAULT CAUSE CORRECTIVE STEPS
System overtemp
Over-temperature condition in the UPS. The
UPS will transfer to bypass mode.
Reduce the load and contact technical support.
Charger fault The charger is faulty. Contact technical support.
Fan fault At least one fan is faulty. Contact technical support.
DC/DC fault A DC-DC charger failure occurred. Contact technical support.
6.3. Troubleshooting UPS Issues
In the event of an issue with the UPS, refer to Table 6.3 below, to determine the cause and solution. If the fault
persists, contact Vertiv Technical Support. Visit the GXT5 product page at www.vertiv.com for contact information.
When reporting a UPS issue to Vertiv, include the UPS model and serial number. These are located in several
places for your ease of location:
» On the top panel (rack mount orientation)
» The left side (tower orientation)
» The rear panel
» On the front of the unit behind the front plastic bezel
» On the LCD select Main Menu > About
Table 6-3 Troubleshooting
PROBLEM CAUSE SOLUTION
UPS fails to
start
UPS is short- circuited or
overloaded
Ensure UPS is O. Disconnect all loads and ensure nothing is lodged in output receptacles. Ensure loads
are not defective or shorted internally.
Batteries are not charged
enough or not connected
Check to ensure the internal battery is connected. If it is not, make the connection and try to start
the unit. If the battery is connected, leave the UPS connected to input power for 24 hours to recharge
batteries, then try to start the unit.
UPS has
reduced
battery
backup time
Batteries are not fully
charged
Keep UPS plugged in continuously at least 24 hours to recharge batteries.
UPS is overloaded Check load level indicator and reduce the load on the UPS.
Batteries may not be able to
hold a full charge due to age
Replace batteries. Contact your Vertiv representative or Vertiv Technical Support for replacement
battery kit.
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