Troubleshooting
Liebert
®
APS
™
62
Low Battery Warning
The battery capacity has reached the
user programmable set point.
Check upstream feeder breaker or the
UPS input breaker and reset if
necessary.If this is not the problem,
begin the orderly shutdown of all
connected equipment as UPS shutdown
is imminent.
Battery Module Warning
One or more battery modules is
abnormal.
View the corresponding module serial
number in the fault logs or event logs and
contact your local Liebert Service
representative.
Battery Module Fail
One or more battery modules has a
fault.
View the corresponding module serial
number in the fault logs or event logs and
either replace the module or contact your
local Liebert Service representative.
Battery Test Warning Weak
Battery
One or more battery modules has
detected batteries that are no longer
in specification due to age or
operating conditions.
Replace the battery string or contact your
local Liebert Service representative.
BM Temp Unbalance
The temperature difference between
all the battery modules exceeds 10°C.
Check the air filters located behind the
bezels and clean if necessary, or check
to see if the ambient temperature is too
high. If this is not the problem, contact
your local Liebert representative.
Frame Fan Failure
The fan located behind the display
panel has failed.
Contact your local Liebert Service
representative for fan replacement.
Transformer Fan Failure
There is a transformer on the UPS
frame and at least one transformer
fan has failed.
Contact your local Liebert Service
representative for fan replacement.
Transformer Temperature
Warning
A high temperature condition has
occurred in the output transformer
area.
Check the air filters located behind the
bezels and clean if necessary, or check
to see if the ambient temperature is too
high. If this is not the problem, contact
your local Liebert Service representative.
Bypass Source Not Qualified
The UPS bypass functionality is not
available because the input source is
out of tolerance to the bypass voltage
and/or frequency window.
No action necessary unless the AC input
has been verified within bypass settings.
If this is not the problem, contact your
local Liebert Service representative.
Output Is Off
Abnormal Output Volt
The cable connection is wrong.
Check the power distribution.
System Control Module Lock
Lever in Remove Position
The locking lever is not in the locked
position.
Check the locking lever to ensure it is
fully inserted. If so, contact your local
Liebert Service representative.
System Monitor Module Lock
Lever in Remove Position
The locking lever is not in the locked
position.
Check the locking lever to ensure it is
fully inserted. If so, contact your local
Liebert Service representative.
Charger Module Warning
The charger module is not operating
correctly.
View the corresponding module serial
number in the fault logs or event logs,
and contact your local Liebert Service
representative.
Charger Module Fail
The charger module has a fault.
View the corresponding module serial
number in the fault logs or event logs,
and either replace the module or contact
your local Liebert Service representative.
CM Power source Is Not
Qualified
Check the power distribution.
Check upstream feeder breaker or the
UPS input breaker and reset if
necessary, or contact your local Liebert
Service representative
Table 23
Alarm message list
(continued)
Alarm Message
Possible Cause
Corrective Action
Summary of Contents for Liebert APS
Page 1: ...AC Power For Business Critical Continuity Liebert APS User Manual 5 20kVA Modular UPS ...
Page 2: ......
Page 8: ...vi ...
Page 101: ...Specifications 93 Liebert APS NOTES ...
Page 102: ...Specifications Liebert APS 94 ...
Page 103: ......