Specifications

SURT Stack/Rack-Mount 12U 14000/18000 VA 200 Vac 15000/20000 VA 208/240 Vac 27
Threshold
Alarm
Load Power Is Above
Alarm Limit.
The load has exceeded the user-
specified load alarm threshold.
Option 1) Use the display interface to
raise the alarm threshold.
Option 2) Reduce the load
Load Is No Longer Above
Alarm Threshold.
The load exceeded the alarm
threshold. The situation has been
corrected. Either because the load
decreased or the threshold was
increased.
No corrective action is necessary.
Min Runtime Restored. The system runtime dropped below
the configured minimum and has
been restored:
1) Additional battery modules were
installed.
2) The existing battery modules were
recharged.
3) The load was reduced.
4) The user- specified threshold was
decreased.
General
Fault
Need Bat Replacement. One or more battery pairs are in need
of replacement.
Refer to battery installation
procedure.
No Batteries Are
Connected.
No battery power is available. Check that batteries are installed and
connected properly.
Discharged Battery. The UPS is on battery operation and
the battery charge is low.
Shut down the system and the load or
restore the incoming voltage.
Low- Battery. The UPS is on battery operation and
the battery charge is low.
Weak Batt(s) Detected.
Reduced Runtime.
One or more weak battery pairs
detected (only applicable for internal
battery modules).
Replace the weak battery pairs.
Batt Temperature Exceeded
Upper Limit.
The temperature of one or more
battery packs has exceeded system
specifications.
Contact APC Customer Support.
Refer to “Contact Information” on
page 32 in this manual.
Battery Over-Voltage
Warning.
The battery voltage is too high and
the charger has been deactivated.
Runtime Is Below Alarm
Threshold.
The predicted runtime is lower than
the user-specified minimum runtime
alarm threshold. Either the battery
capacity has decreased, or the load
has increased.
Option 1) Allow the batteries to
recharge.
Option 2) If possible, increase the
number of battery modules.
Option 3) Reduce the load.
Option 4) Decrease the alarm
threshold.
Condition LCD Message Reason for Message Corrective Action