Troubleshooting - Liebert GXT User Manual

AUDIBLE ALARM CONDITIONS
CONDITION
Battery mode
(utility failure)
Low battery
Output overload (bypass)
Over temperature (bypass)
DC Bus overvoltage (bypass)
Control power supply failure (bypass)
PFC failure (bypass)
Inverter failure
Battery Test failure
The information below indicates various symptoms a user may encounter in the
event the UPStation GXT™ develops a problem. Use this information to
determine whether external factors cause the problem and how to remedy the
situation.
1. The fault indicator will illuminate indicating the UPS detected a problem.
2. An alarm will sound, alerting that the UPS requires attention.
3. One or more additional load/battery level LED indicators will be illuminated
to provide a diagnostic aid to the operator, as described below:
All. On bypass due to output overload (beep every half second)
A. On bypass due to over temperature condition (beep every 4 seconds)
B. On bypass due to DC bus overvoltage (beep every 4 seconds)
C. On bypass due to control power supply failure (beep every 4 seconds)
D. On bypass due to PFC failure (beep every 4 seconds)
E. On bypass due to inverter failure (beep every 4 seconds)
A&C. UPS failed battery test (long beep every minute)
C&E. UPS shutdown due to command from communication port (SNMP); no beep
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 dealer, or contact Liebert Technical Support
(LTS). World Wide Technical Support numbers are located at the end of this
section.
One short beep every ten seconds; more
than two minutes of run time remaining
Two short beeps every five seconds; less
than two minutes of run time remaining
One short beep every half second
One second beep every four seconds
One second beep every four seconds
One second beep every four seconds
One second beep every four seconds
One second beep every four seconds
Two second beep every minute

TROUBLESHOOTING

!
Fault
E
D
C
B
A
ALARM
BYPASS
UPS
ON
Load / Battery
Level Indicators
BATTERY
AC
INPUT
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