A P P E N D I C E S
Series 8000™ O&M Manual
83
5.3.18
"Polarization immobile"
See section 5.3.2, "Azimuth immobile". May put system in standby.
5.3.19
"Polarization reversed"
See section 5.3.3, "Azimuth reversed". May put system in standby.
5.3.20
"Polarization encoder fault"
See section 5.3.4, "Azimuth encoder fault".
Verify that the encoder is connected and that the pinouts are correct
(see Appendix A-4.5).
5.3.21
"Polarization select in wrong position"
If the system detects the CP/LP (circular POL/linear POL) setting is
incorrect
—
based on POL-3 and POL-4 limits
9
CIB 110
–
112 and
CIB 100
–
102
—
it will attempt
up to five times
to move the feed to the
correct position
,
after which this fault will be asserted and no further
movement will be attempted until an operator clears the fault.
To restore proper operation, the CP/LP feed must be repositioned:
1.
Manually position the feed at the antenna to CP or LP.
2.
At the ACU, select Home > Manual and choose the position
(CP or LP) that corresponds to the feed.
3.
Back at the Home screen, double-tap the Fault button.
4.
Verify that the fault clears.
5.3.22
"Polarization CCW soft travel limit"
See section 5.3.5, "Azimuth CCW soft travel limit".
9
POL3 and POL4 are labeled on the IOC board in the drive cabinet.