Troubleshooting - Liebert UPS User Manual

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.
A.
B.
D.
E.
A&C.
C&E.
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 Technical
Support. World Wide Technical Support numbers are located at the end of this
manual.

TROUBLESHOOTING

On bypass due to output overload (beep every half second)
On bypass due to over temperature condition
(beep every 4 seconds)
On bypass due to DC bus over voltage (beep every 4 seconds)
On bypass due to PFC failure (beep every 4 seconds)
On bypass due to inverter failure (beep every 4 seconds)
UPS failed battery test (long beep every minute)
UPS shutdown due to command from communication port
(SNMP); no beep
Fault
BYPASS
BATTERY
INPUT
29
UPS
ON
AC