MCC calls, asks if they can reboot IOCHA1, which talks to the harps IHA1H04A and 1H04B, which they have lost communication with. I say yes, they reboot, harps are now back in action apparently.
MCC is doing injector work meanwhile.
I have called Abdurahim, told him of the present controlled access. He plans to come in and spend some time to compare the EPICS read-back of the cavity power with the actual power reading. He estimates this work may require an hour or so.