Liebert GXTTM - Manual (Page 14)

12
AUDIBLE ALARM CONDITIONS
CONDITION ALARM
Battery mode (utility failure) One short beep every ten seconds
Low battery Two short beeps every five seconds
Output overload (bypass) One short beep every half second
Over temperature (bypass) One second beep every four seconds
DC Bus over voltage (bypass) One second beep every four seconds
PFC failure (bypass) One second beep every four seconds
Inverter failure One second beep every four seconds
Battery Test failure Two second beep every minute
TROUBLESHOOTING GUIDE
PROBLEM CAUSE SOLUTION
UPS is short circuited
or overloaded Ensure UPS is off. Disconnect
all loads and ensure nothing is
lodged in output terminal block.
Ensure loads are not defective
or shorted internally.
Internal fuse is blown,
indicating internal fault Do not attempt to open or
service the UPS. Contact your
dealer or technical support.
UPS fails to start when
on button is pressed
Breaker not closed or
has tripped. Close breaker or remove
overload.
UPS input not
connected UPS is operating from battery
mode, make certain UPS is
securely connected to source.
UPS input protection
has opened UPS is operating from battery
mode. Save data and close
applications. Replace UPS
input fuse or reset input
breaker, then restart UPS.
Battery indicator is
illuminated
Mains voltage out of
UPS input range. UPS is operating from battery
mode. Save data and close
applications. Ensure mains
supply voltage is within
acceptable limits for UPS.
Batteries not fully
charged Apply input voltage for at least
24 hrs to recharge batteries.
UPS is overloaded Check load level display and
reduce load level
UPS has reduced
battery time
Batteries may not be
able to hold a full
charge due to age Replace batteries. Contact
your dealer or technical
support.