We are seeing some very strange behavior where the BTOW is getting a lot of spurious data periodically:

Here is the monitor page from run 18132022 (at 2:22 into the run):

A few seconds later, you see the BTOW trigger glitch.   Note that this is not just the scalers!   The L0 trigger rates also are glitching up...

And here is the pattern for BHT3 throughout run 18132022: