Troubleshooting Guide - Liebert 700-2200 VA User Manual

PROBLEM
UPS fails to start when On/Off
button is pressed
Utility indicator flashing
UPS has reduced battery time
"Fault" indicator and diagnostic
LED "A" are illuminated
"Fault" indicator and diagnostic
LED "B" are illuminated
UPS shut down. "Fault" indicator
and diagnostic LED "D" are
illuminated
UPS shuts down with the "Fault"
indicator and diagnostic LEDs "A"
& "B" are illuminated
UPS shuts down with the "Fault"
indicator and diagnostic LEDs "A"
& "D" are illuminated
UPS shuts down with the "Fault"
indicator and diagnostic LEDs "B"
& "D" are illuminated

TROUBLESHOOTING GUIDE

UPS output short circuited or
overloaded.
Internal fuse is blown, indicating
internal fault.
UPS not plugged in.
UPS input protection has opened.
Utility voltage out of UPS input
range.
Batteries not charged.
UPS is overloaded.
Batteries may not be able to hold
a full charge due to age.
UPS fan failure or battery
overcharge.
UPS failed the battery test.
UPS overloaded or load
equipment is faulty.
UPS shutdown due to internal
failure.
UPS shutdown due to an internal
over temperature condition.
UPS shutdown due to a command
from the communications port(s).
CAUSE
20
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 utility 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.