Liebert UPSTATION GXT 2U - Manual (Page 28)

24
Under fault conditions, the fault indicators will be illuminated indefinitely
while battery charger is operational, or for a maximum of 5 minutes while
battery charger is not operational.
If a problem persists, consult your local dealer, Liebert representative or
contact the Liebert Worldwide Support Group. Please have the UPS
model number and serial number available at the time of your inquiry.
Troubleshooting Guide
Problem Cause Solution
UPS fails to start
when the ON
button is pressed.
UPS is short circuited or
overloaded.
Ensure UPS is OFF. Disconnect
all loads and ensure nothing is
lodged in output receptacles.
Ensure loads are not defective
or shorted internally.
Battery indicator
LED is illuminated.
UPS not plugged in. UPS is operating from battery
mode, make certain UPS is
securely plugged into the wall
receptacle.
UPS input protection
fuse has blown/opened.
UPS is operating from battery
mode. Save data and close
applications. Replace UPS input
fuse, then restart UPS.
Utility voltage out of UPS
input range.
UPS is operating from battery
mode. Save data and close
applications. Ensure utility
supply voltage is within
acceptable limits for UPS.
UPS has reduced
battery time.
Batteries are not fully
charged.
Keep UPS plugged in
continuously at least 24 hours to
recharge batteries.
UPS is overloaded. Check load level display and
reduce the load on the UPS.
Batteries may not be able
to hold a full charge due
to age.
Replace batteries. Contact your
local dealer, Liebert
representative or the Liebert
Worldwide Support Group for
replacement battery kit.
Fault and Bypass
indicator LEDs and
all load level LEDs
are illuminated.
UPS overloaded or load
equipment is faulty.
Check load level display and
remove non-essential loads.
Recalculate the load and reduce
number of loads connected to
UPS. Check load equipment for
faults.