For instructions on reseating the card please refer to FA157406
XR frame displays E1 or EF. The mainframe indicates that an XR frame fault exists.
Symmetra Power Array
Single Phase Symmetra XR Frames
All serial ranges
This error indicates that the XR communication card (either SYXRCC or SYAFSU16) located in the XR frame has experienced an internal problem.
The card will need to be reseated. If reseating does not clear the fault, the card must be replaced.