> All 12 FEEs have valid WR Timestamps
> Had to powercycle aida09 once as before raw readout was displaying upper 12 bits of WR timestamp as 0. Unsure of other method.
> 
> HDMI cables in aida09 checked and good.

The problem would be the cable , one end or the other. 
I think ( if I recall ) a setup would restart the WR decoder.

I notice you have set the WR info word rate to be quite high , 6123/sec typ, is this intentional ?