Filter
Top Products
Troubleshooting
Symmetra PX 10-40 kW 208 V Operation & Maintenance Guide - 990-4104B 31
Bypass
If the system works in bypass, ensure the presence of AC mains supply input.
If a problem persists, note UPS model #, serial #, and date purchased before calling APC Customer
Support (see rear cover).
Min Runtime Restored The system runtime dropped below
the configured minimum and has been
restored. Additional Battery Modules
were installed, the existing Battery
Modules were recharged, the load was
reduced, or the threshold was
decreased.
No corrective action necessary
Display message Meaning Corrective action
Display message Meaning Corrective action
Bypass Not Available
Input Freq/Volt Out Of
Range
The frequency or voltage is out of
acceptable range for bypass. This
message occurs when the UPS is
online, and indicates that the bypass
mode may not be available if
required.
Correct the input voltage to provide
acceptable voltage or frequency.
UPS In Bypass Due To
Fault
The UPS has transferred to Bypass
Mode because a fault has occurred.
Contact APC Customer Support
(see rear cover).
UPS In Bypass Due To
Overload
The load exceeded the system power
capacity. The UPS has switched to
Bypass Mode.
Option 1: Decrease the load.
Option 2: If possible, add a power
module to the system.
UPS In Maintenance
Bypass
The system is in maintenance bypass:
Q002 is open and Q003 is closed.
No corrective action necessary.
UPS In Forced Bypass
State
The system has been forced into
Maintenance Bypass Operation: Q003
is closed and/or Manual Bypass
Switch is activated.
No corrective action necessary.
Static Bypass Switch
Module Removed
The Static Bypass Switch has been
removed.
If a static Bypass Switch has not been
removed, check that it has been prop-
erly inserted.