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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.
Status and Alarm Messages
This section lists the status and alarm messages that the UPS might display. The messages are listed
in alphabetical order, and a suggested corrective action is listed with each alarm message to help you
troubleshoot problems.
Note: Contact Schneider Electric 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.
Display Messages
Display Message Meaning Corrective Action
Battery Charger Fault The battery charger is not
functioning properly.
Contact Schneider Electric Customer
Support (see the back cover).
Battery Defective The battery capacity is estimated to
be below 50% of the expected.
Replace battery. See “Replace a
Battery“.
Battery Fault A battery module has failed and
requires replacement.
Replace battery. See “Replace a
Battery“.
Battery High Temperature Violation The temperature of one or more
battery units has exceeded system
specications.
Ensure that the ambient temperature
meets the specications 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 Schneider Electric Customer
Support (see the back cover).
Battery Monitor Card Fault The battery monitor card has failed. Contact Schneider Electric Customer
Support (see the back cover).
Battery Monitor Card Removed The battery monitor card has been
removed.
Contact Schneider Electric Customer
Support (see the back cover).
Battery Weak The battery capacity is estimated to
be below 75% of the expected.
Replace battery. See “Replace a
Battery“.
Contact APC for secure start-up The UPS has been running 5 days.
start-up check by an Schneider
Electric Field Service Engineer
(FSE) is recommended.
Contact Schneider Electric Customer
Support (see the back cover).
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.
32
Symmetra™ PX48, 96, and 160 kW 400 V 100 kW 208 V Operation
990–3015E-001