Table 4; Troubleshooting Guide - Liebert GXT2-4500RT230 User Manual

Table 4

Troubleshooting guide

Problem
UPS fails to start when the
ON button is pressed.
Battery indicator LED is
illuminated.
UPS has reduced battery
time.
Fault and Bypass indicator
LEDs and all load level LEDs
are illuminated.
Fault and Bypass indicator
LEDs and diagnostic LED A
are illuminated.
Fault and Bypass indicator
LEDs and diagnostic LED B
are illuminated.
Fault indicator LED and
diagnostic LED C are
illuminated.
Fault and Bypass indicator
LEDs and diagnostic LED D
are illuminated.
Fault and Bypass indicator
LEDs and diagnostic LED E
are illuminated.
Fault indicator LED and
diagnostic LEDs A and C are
illuminated.
Fault and Bypass indicator
LEDs and diagnostic LED C
and E are illuminated.
Fault and LEDs A&E are
Illuminated
Fault and LEDs B&C are
Illuminated
Fault and LEDs B&D are
Illuminated
Cause
UPS is short-circuited or
overloaded.
UPS not plugged in.
UPS input protection fuse
has blown/opened.
Mains voltage out of UPS
input range.
Batteries are not fully
charged.
UPS is overloaded.
Batteries may not be able to
hold a full charge due to age.
UPS overloaded or load
equipment is faulty.
UPS internal fan has a
problem or UPS shutdown
due to temperature condition.
Load is on bypass power.
UPS internal DC bus
overvoltage.
DC-DC failure during battery
mode.
UPS PFC (Power Factor
Correction Circuit) fault.
UPS inverter fault.
UPS failed the battery test.
UPS shutdown due to a
command from the
communications port(s).
Fan locked
REPO active
UPS is OFF due to previous
REPO shutdown, but the
REPO has been connected
or reset. Autorestart
disabled.
Solution
Ensure UPS is OFF. Disconnect all loads and ensure nothing is
lodged in output receptacles.
Ensure loads are not defective or shorted internally.
UPS is operating from battery mode, make certain UPS is
securely plugged into the wall receptacle.
UPS is operating from battery mode. Save data and close
applications. Replace UPS input fuse, then restart UPS.
UPS is operating from 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 reduce the load on the UPS.
Replace batteries. Contact your local dealer, Liebert
representative or the Liebert Worldwide Support Group for
replacement battery kit.
Check load level display and remove non-essential loads.
Recalculate the load and reduce number of loads connected to
UPS. Check load equipment for faults.
Ensure UPS is not overloaded, ventilation openings not
blocked, or room ambient temperature is not excessive. Wait
30 minutes to allow UPS to cool, then restart UPS. If UPS does
not restart, contact your local dealer, Liebert representative or
the Liebert Worldwide Support Group.
UPS requires service. Contact your local dealer, Liebert
representative or the Liebert Worldwide Support Group.
Bus voltage under 315VDC(O/P 220VAC) / 330VDC(O/P
230VAC) / 345VDC(O/P 240VAC). UPS requires service.
Contact your local dealer, Liebert representative or the Liebert
Worldwide Support Group.
UPS requires service. Contact your local dealer, Liebert
representative or the Liebert Worldwide Support Group.
UPS requires service. Contact your local dealer, Liebert
Representative or the Liebert Worldwide Support Group.
Replace batteries. Contact your local dealer, Liebert
representative or the Liebert Worldwide Support Group.
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 local dealer, Liebert representative or the Liebert
Worldwide Support Group.
Check for external obstruction entering fan guard. UPS
requires service. Contact your local dealer, Liebert
representative or Liebert Worldwide Support Group.
circuit is closed. If not used, a wire jumper must connect the
REPO terminals.
Start the UPS using the front panel.
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Troubleshooting