Specifications

23Symmetra PX 48, 96, and 160 kW 400 V and 100 kW 208 V Operation
Troubleshooting
Warning: Only trained persons familiar with the construction and operation of the
equipment, as well as the electrical and mechanical hazards involved, may install and
remove system components.
UPS Alarms
This section lists all of the common alarm and status messages that might be displayed on the display
interface. A suggested corrective action is listed with each message to help troubleshoot the problem.
Note: Contact APC Customer Support if you see alarm or status messages that are not listed
here.
Note: If a problem is reported, ensure that the system component in question is correctly
installed.
1
Display Message Meaning Corrective Action
Battery Charger Fault The battery charger is not functioning
properly.
Contact APC Customer Support.
Battery Fault A battery module has failed and
requires replacement.
See “Replace a battery” on page 20
Battery High Temperature
Violation
The temperature of one or more
battery units has exceeded system
specifications.
Ensure that the ambient temperature meets
the specifications of the system. If the
ambient temperature is below 40°C (104°F),
then initiate a self-test to detect any bad
battery units. Replace any bad battery units.
Battery High Voltage Violation The battery voltage is too high and
the charger has been deactivated.
Contact APC Customer Support.
Battery Monitor Card Fault The battery monitor card has failed. Contact APC Customer Support.
Battery Monitor Card Removed The battery monitor card has been
removed.
Contact APC Customer Support.
Discharged Battery The UPS is online and the battery
charge is low.
No corrective action necessary. Note: If the
input voltage fails, runtime will be limited.
Extended Run Frame Fault One of the battery enclosures has
failed.
Contact APC Customer Support.
External DC Disconnect Switch
Open
The external
DC DISCONNECT switch
tripped. Battery power is not
available or the runtime is lower than
expected.
Close the external
DC DISCONNECT switch.
If the problem persists, call APC Customer
Support.
External Switch Gear
Communication Card Fault
The external switch gear
communication card has failed.
Contact APC Customer Support.