Indication
Condition
The GIC calculated Sun position was not aligned with actual telescope position.
If this occurs while the light path was not blocked then:
M1 Cover is forced to close
Aperture Cover is forced to close
Operator Procedure
Do not open the M1 Cover, if the aperture cover is open.
Technician Checklist
Ensure telescope safety encoders have been properly homed.
Engineering Checklist
If necessary, disable Telescope Ephemeris safety function.
press:
indicator should change to: