B&G H2000 Pilot *DISCONTINUED* - Manual (Page 130)

h2000 Autopilot User Manual
Part 6 - Diagnostic Data
HB-0842-04
6-6
6.2 FAULT DIAGNOSIS
6.2.1 Fault 100 - Uncommissioned
Fault Description
Rudder not commissioned or memory has been
corrupted.
Remedy
(1) Has rudder ever been successfully commissioned?
Yes - go to 4.
No
- go to 2.
(2) Set rudder end and mid positions, move helm, does
rudder indicator work?
Yes - go to 4.
No
- go to 3.
(3) Rudder indicator will not work until mid and end
positions have been entered. The difference in the signal
from the rudder reference unit at the Port end stop and
the Starboard end stop must be at least 1.0 volt. Check
rudder reference installation and then repeat 2.
(4) If rudder has previously been successfully
commissioned then fault is due to memory corruption.
This may be due to:
- Change of software version.
- Memory backup battery failure.
- Severe interference, e.g. lightning.