B&G Network Autopilot - Manual (Page 103)

6 - 3
UNCOMIS UNCOMMISSIONED
Fault description:
Rudder not commissioned or memory has been corrupted.
Check list:
1. Has rudder ever been successfully commissioned?
Yes, go to 4.
No, go to 2.
2. Set rudder end & 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
volts. 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:
- memory backup battery failure.
- severe interference, e.g. lightning.
5. Recommision pilot (refer section 5) and contact the nearest
B & G dealer for advice.
RUD ERR RUDDER REFERENCE
Fault description:
The signal from the rudder reference unit is outside the limits set during
commissioning.
Check list:
1. Check installation of rudder reference unit for slack or loose fittings.
2. Check the signal from the rudder reference with a volt meter at the
Pilot computer terminals (section 4-12) The voltage supply