The EY Slow controls issue escalated overnight, DEV5 now has no communication with EY.

The link deteriorated over the course of 5 hours, starting at 23:24 Sat 19sep2026 and was completely lost by 04:23 Sun 20sep2026.

Trending the slave_count_actual for DEV5 shows it erratically drops from 127 to 1 over this time period.