To lock FPMI:
- check all optics are in aligned state
- check all lasers shutters are open
- press FPMI_LOCKED state on LSC_LOCK guardian
Troubleshooting
- check green transmissions are high
- check IR transmissions are high after MICH_3F state
- if arm guardians complain, make sure the alignment mode is disabled and click load on XARM and YARM guardians, restart from DOWN