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Smart-UPS SRT UPS Reports: Internal RBC Disconnected or Battery Pack x, RBC y is Disconnected

Issue:
The Smart-UPS SRT reports one of the following errors: Internal RBC Disconnected and Battery Pack x, RBC y is Disconnected:


 
Product Line:
Smart-UPS SRT Models
 
Resolution:
Check the battery connections of the UPS internal batteries. If External Battery Frames are installed, check battery connections within these frames. Perform UPS Self-test with at least 500 Watts of load.  

If the alert persists, verify on the UPS display interface that the installation dates for the RBCs are set to the correct date. The installation dates can be changed manually on the UPS display interface. If all RBCs have been replaced at the same time, all installation dates can be changed simultaneously. To configure, enter the installation date of the RBCs using the Configuration Menu - Battery - Install Date, or refer to Battery Install Date in the Operation manual.

If the problem persists, brain dead and then cold start the unit. If problem still persists, contact APC by Schneider Electric Customer Support.
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