Alarm conditions, Troubleshooting, Audible alarm conditions – Liebert GXT User Manual
Page 19
19
AUDIBLE ALARM CONDITIONS
CONDITION
ALARM
Battery mode
(utility failure)
One short beep every ten seconds; more
than two minutes of run time remaining
Low battery
Two short beeps every five seconds; less
than two minutes of run time remaining
Output overload (bypass)
One short beep every half second
Over temperature (bypass)
One second beep every four seconds
DC Bus overvoltage (bypass)
One second beep every four seconds
Control power supply failure (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
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:
!
Fault
BYPASS
UPS
ON
BATTERY
AC
INPUT
E
D
C
B
A
Load / Battery
Level Indicators
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.