User Manual

Troubleshooting
Symmetra PX 10-40 kW 208 V Operation & Maintenance Guide - 990-4104C 29
System Not Synchro-
nized to AC Line
System cannot synchronize to AC line
and bypass mode may not be avail-
able if required.
Option 1: Decrease the sensitivity to
input frequency (select Startup, Setup,
Output Freq, and select value).
Option 2: Correct the input voltage to
provide acceptable voltage on fre-
quency.
Battery Voltage Is Too
High
The battery voltage is too high and the
charger has been deactivated.
Contact APC Customer Support. See
Customer Support section.
Site Wiring Fault Wrong phase rotation on the input
side.
An electrician should check that the
UPS has been wired properly.
Isolation Transformer
Over-temperature
The Isolation Transformer tempera-
ture is too high.
Contact APC Customer Support. See
Customer Support section.
External DC Disconnect
Switch Tripped
The external DC disconnect switch
tripped. Battery power is not available
or the runtime is lower than expected.
Activate the external DC Disconnect
Switch.
Sys Power Sply Fail A system power supply has failed.
One of the power supplies has to be
changed.
Contact APC Customer Support. See
Customer Support section.
Battmon Card Failed The Battery Monitor Card has failed. Refer to Module Replacement section
for further details.
Battery Monitor Card
Removed
The Battery Monitor Card has been
removed.
If the battery monitor card has not
been removed, check that it has been
properly inserted.
SwGr Comm Card Fail The Switch Gear Communications
Card has failed.
Refer to Module Replacement section
for further details.
Switch Gear Communi-
cation Card Removed
The Switch Gear Communcations
Card has been removed.
If the Switch Gear Communication
card has not been removed, check that
it has been properly inserted.
Internal DC Disconnect
Switch Tripped
The internal DC Disconnect Switch
tripped and battery power is not avail-
able.
Activate the internal DC Disconnect
Switch.
Static Bypass Switch
Module Fault
The Static Bypass Switch module has
failed.
Contact APC Customer Support. See
Customer Support section.
System ID Card
Removed
The System ID Card has been
removed.
If the System ID card has not been
removed, check that it has been prop-
erly inserted.
System ID Card Failed The System ID Card has failed. Refer to Module Replacement section
for further details.
System Start Up Config-
uration Failed
System configuration download
failed. Unable to determine system
voltage and/or frame size.
Check for other alarms and contact
APC customer support if problem per-
sists.
Display message Meaning Corrective action