Emerson Liebert NXL series Operation And Maintenance Manual page 72

Liebert NXL UPS
Event Message Event Definition
Batt Ovtemp
One or more of the Battery Temperature
Limit
Sensors is reporting a temperature
above the limit setpoint. There are two
user-adjustable Battery Temperature
Setpoints: Battery Over Temperature
Warning and Battery Overtemperature
Limit. The temperature in one or more
battery compartments has risen above
the limit setpoint. Depending on user
settings, the controls may trip the
battery breaker associated with the over
temperature condition.
Batt Ovtemp
One or more of the Battery Temperature
Warning
Sensors is reporting a temperature
above the warning setpoint. There are
two user adjustable Battery
Temperature Setpoints: Battery Over
Temperature Warning and Battery
Overtemperature Limit. This alarm
means the temperature in one or more
battery compartments has risen above
the warning setpoint.
This alarm is self-clearing. When the
condition is no longer present, the alarm
and any control activity tied to the
alarm reverts to normal.
Liebert NXL alarm and status messages (continued)
Page 72
Operation and Maintenance Manual 250-300-400-800kVA
Recommended Action
Press "SILENCE" to silence the audible
alarm.
Observe the One-Line Display. To
identify which battery cabinet is
reporting the temperature condition,
press the "Battery Box" on the One-Line
Display to cycle through each battery
compartment or string. The temperature
display is located under the voltage
reading in the Battery Box.
If the Common Battery Disconnect and/or
the individual battery cabinet or string
reporting the over temperature condition
is tripped, check the following settings.
Press "User Settings," "Battery
Management," "Battery Temperature" to
check the current Battery Temperature
Setpoints. If none of the Battery Boxes on
the One-Line Display exhibit a
temperature in excess of the temperature
setpoint in the user settings, contact your
factory-authorized service provider.
If the overtemperature limit is being
reported correctly, investigate potential
causes such as faulty air conditioning, or
air flow blockage and resolve.
Otherwise, contact your factory-
authorized service provider.
Press "SILENCE" to silence the audible
alarm. Observe the One-Line Display. To
identify which battery cabinet is
reporting the temperature condition,
press the "Battery Box" on the One-Line
Display to cycle through each battery
compartment or string. The temperature
display is located under the voltage
reading in the Battery Box.
Press "User Settings," "Battery
Management," "Battery Temperature" to
check the current Battery Temperature
Setpoints. If none of the Battery Boxes on
the One-Line Display exhibit a
temperature in excess of the temperature
setpoint in the user settings, contact your
factory-authorized service provider. If the
overtemperature warning is being
reported correctly, investigate potential
causes, such as faulty air conditioning or
air flow blockage and resolve. Otherwise,
contact your factory-authorized service
provider.