Specifications

Symmetra PX 48, 96, and 160 kW 400 V and 100 kW 208 V Operation24
External Switch Gear
Communication Card Removed
The system no longer detects an
external switch gear communication
card.
Option 1: Ensure the external switch gear
communication card is installed properly.
Option 2: Contact APC Customer Support.
Graceful Shutdown Initiated A graceful shutdown or reboot has
been initiated from the display
interface or other accessory.
No corrective action necessary.
Internal Communications
Failed
One of the buses used for
communication between the UPS
modules has failed.
Contact APC Customer Support.
In Bypass: Hardware Fault The system has transferred into
bypass because a fault has occurred.
Contact APC Customer Support.
In Bypass: Overload The system has transferred into
bypass because the load has exceeded
the power capacity of the system.
Option 1: Decrease the load.
Option 2: Add a power module to the
system.
In Bypass: User-Initiated The system has been transferred into
bypass due to user action.
Check for any problems with the system.
Transfer the system to normal operation.
Input Voltage or Frequency
Cannot Support Bypass
The frequency or voltage is out of
acceptable range for bypass. This
message occurs when the UPS is
online, and indicates that bypass
mode may not be available if
required.
Correct the input voltage to provide
acceptable voltage or frequency.
Intelligence Module Fault The main intelligence module has
failed and requires replacement.
Contact APC Customer Support.
Load (kVA) Alarm Violation 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.
Local Management-To-UPS
Communication Lost
Internal communications in the
system have failed.
Contact APC Customer Support.
Low Battery The UPS is in battery operation and
the battery charge is low.
Runtime is limited. Shut down the system
and the load equipment or restore the input
voltage.
No Batteries Detected No battery power is available. Option 1: Ensure the batteries are installed
properly.
Option 2: Check to see whether the DC
Breaker has been tripped.
Option 3: Contact APC Customer Support.
No Power Modules Detected No power modules are available. Option 1: Ensure that the power modules
are properly installed, the two fastening
screws are tight, and the locking latch is
engaged.
Option 2: Check for other communication
alarm messages in the log.
Display Message Meaning Corrective Action