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TROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the event
the PowerSure™ Interactive UPS develops a problem.
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:
Load/ Battery
Level Indicators
Utility High/Low
Utility
Alarm silence/Test
On/Off
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.
Use this information to
"D" indicator
Fault indicator
(flashes every second)
"B" indicator
"A" indicator
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TROUBLESHOOTING GUIDE
PROBLEM
UPS fails to start when On/Off
UPS output short circuited or
button is pressed
overloaded.
Internal fuse is blown, indicating
internal fault.
Mains indicator flashing
UPS not plugged in.
UPS input protection has opened.
Mains voltage out of UPS input
range.
UPS has reduced battery time
Batteries not charged.
UPS is overloaded.
Batteries may not be able to hold
a full charge due to age.
"Fault" indicator and diagnostic
UPS fan failure or battery
LED "A" are illuminated
overcharge.
"Fault" indicator and diagnostic
UPS failed the battery test.
LED "B" are illuminated
UPS shut down. "Fault" indicator
UPS overloaded or load
and diagnostic LED "D" are
equipment is faulty.
illuminated
UPS shuts down with the "Fault"
UPS shutdown due to internal
indicator and diagnostic LEDs "A"
failure.
& "B" are illuminated
UPS shuts down with the "Fault"
UPS shutdown due to an internal
indicator and diagnostic LEDs "A"
over temperature condition.
& "D" are illuminated
UPS shuts down with the "Fault"
UPS shutdown due to a command
indicator and diagnostic LEDs "B"
from the communications port(s).
& "D" are illuminated
CAUSE
SOLUTION
Ensure UPS is off. Disconnect all
loads and ensure nothing is
lodged in output receptacles.
Ensure loads are not defective or
shorted internally.
Do not attempt to open or service
the UPS. Contact your dealer or
LTS.
UPS is operating in battery mode,
make certain UPS is securely
plugged into the wall receptacle.
UPS is operating in battery mode.
Save data and close applications.
Replace UPS input fuse or reset
input breaker, then restart UPS .
UPS is operating in battery mode.
Save data and close applications.
Ensure mains supply voltage is
within acceptable limits for UPS.
Keep UPS plugged in
continuously at least 24 hours to
recharge batteries.
Check load level display and
remove non essential loads.
Replace batteries. Contact your
dealer or LTS for replacement
battery kit.
UPS requires service. Contact
your dealer or LTS.
Replace batteries. Contact your
dealer or LTS for replacement
battery kit.
Check load level display and
remove non essential loads.
Recalculate load VA and reduce
number of loads connected to
UPS. Check load equipment for
faults.
UPS requires service. Contact
your dealer or LTS.
Ensure UPS is not overloaded,
ventilation openings not blocked,
or room ambient temperature not
excessive. Wait 30 minutes to
allow UPS to cool, then restart
UPS. If it does not restart,
contact your dealer or LTS.
Your UPS has received a signal
or command from the attached
computer. If this was inadvertent,
ensure the communication cable
used is correct for your system.
For assistance, contact your
dealer or LTS.
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