
70 InfraStruXure System – Service Manual – Installation and Start-Up 990-1467C
How to Return from Maintenance Bypass
Operation
Note: Select Help from the top-level menu screen on the PDU display interface and select the
second help topic, Returning from PDU Maintenance Bypass, or follow the procedure below:
1. Close (turn ON) the Q1 circuit breaker on the
PDU.
2. If applicable, set the PDU Q10
Bypass Input (B) switch to ON.
3. Set the XR Battery Enclosure DC Disconnect
circuit breaker to ON.
4. Set the UPS System Enable switch to the ON
position.
The UPS will show a Forced Bypass message on
the display interface, and the Fault LED will be
red.
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