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My Symmetra RM is on battery even though utility power is present.

The Symmetra RM shows On Battery even though there is good quality utility power to the UPS and no faults showing.

Product Line:
Symmetra RM 2kVA - 6kVA

The SYXRCC card (firmware version 403) is reporting to the Main Intelligence Module that there is an overall negative current on each of the XR frames.

This can temporarily be resolved by disconnecting the XR comms cable and reconnecting it. However to resolve this issue permanently, replace the SYXRCC card (Part number 885-7015B) with another SYXRCC card that has firmware version 404.

APC Belgium

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