990-3015-001 Symmetra PX 160 kW 400 V Operation 21
Troubleshooting
UPS Alarms
This section lists all of the alarm and status messages that might be displayed on the display interface.
A suggested corrective action is listed with each message to help to troubleshoot the problem.
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 “How to replace a battery module” on
page 19.
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). 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. See “How to replace a power management
peripheral” on page 18.
Battery Monitor Card Removed The battery monitor card has been
removed.
If the battery monitor card has not been
removed, check that is has been properly
inserted.
Bypass Relay Stuck in Bypass
Mode
The system is stuck in bypass mode
and cannot return to normal
operation.
Check the static bypass switch. Contact
APC Customer Support.
Bypass Relay Stuck in Online
Mode
The system is stuck in online mode
and cannot go into bypass.
Check the static bypass switch. Contact
APC Customer Support.
Communication Lost While On
Battery
Internal communications in the
system have failed.
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 frames has failed. Contact APC Customer Support.