19
TROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the
event the PowerSure™ Interactive UPS 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 flash every second to indicate 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 segments will be illuminated to
provide a diagnostic aid to the operator, as described below:
A. UPS fault (fan failure, battery overcharge)
NOTE: The internal fan operates intermittently as needed
B. UPS failed battery test
D. UPS shutdown due to output overload time-out
A&B. UPS shutdown due to main input relay failure/output short circuit
A&D. UPS shutdown due to over temperature condition
B&D. UPS shutdown due to command from communication ports
(remote shutdown or SNMP)
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.
Load/ Battery
Level Indicators
Utility High/Low
Utility
Alarm silence/Test
On/Off
“D” indicator
Fault indicator
(flashes every second
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