> > > 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 ?
> 
> Cable will be replaced once a spare is available.
> 
> Setup did not restart the WR decoder when this problem occurred beforehand - Reset/Setup tried.
> 
> WR rate was chosen by Vic I believe, I am unsure of reasoning myself.

An update/clarification:
Although the upper bits are zero I believe actually it is a total failure to synchronise to WR:

aida09
WR Time Item 0x80500000 0x0fbd8000; Time (48:63)=0x0; Time (28:47)=0x249; Time (0:27)=0x0fbd8000
WR Time Item 0x80400249 0x0fbd8000; Time (28:47)=0x249; Time (0:27)=0x0fbd8000
WR Time Item 0x80500000 0x0fbdc000; Time (48:63)=0x0; Time (28:47)=0x249; Time (0:27)=0x0fbdc000
WR Time Item 0x80400249 0x0fbdc000; Time (28:47)=0x249; Time (0:27)=0x0fbdc000
WR Time Item 0x80500000 0x0fbe0000; Time (48:63)=0x0; Time (28:47)=0x249; Time (0:27)=0x0fbe0000
WR Time Item 0x80400249 0x0fbe0000; Time (28:47)=0x249; Time (0:27)=0x0fbe0000

aida10
WR Time Item 0x8050022e 0x0bde8000; Time (48:63)=0x22e; Time (28:47)=0xe29d5; Time (0:27)=0x0bde8000
WR Time Item 0x804e29d5 0x0bde8000; Time (28:47)=0xe29d5; Time (0:27)=0x0bde8000
WR Time Item 0x8050022e 0x0bdec000; Time (48:63)=0x22e; Time (28:47)=0xe29d5; Time (0:27)=0x0bdec000
WR Time Item 0x804e29d5 0x0bdec000; Time (28:47)=0xe29d5; Time (0:27)=0x0bdec000
WR Time Item 0x8050022e 0x0bdf0000; Time (48:63)=0x22e; Time (28:47)=0xe29d5; Time (0:27)=0x0bdf0000
WR Time Item 0x804e29d5 0x0bdf0000; Time (28:47)=0xe29d5; Time (0:27)=0x0bdf0000