B&G H1000 Autopilot - Manual (Page 67)

h1000 pilot
troubleshooting
Page 63
troubleshooting
no nmea information
fault description: The pilot has stopped receiving waypoint data from the position fixer.
check list:
1.
Check cross track error display on pilot display or h1000 display.
2. Check connections to pilot system.
3. Check operation of position fixer. Has NMEA output been selected and enabled? Has autopilot
output been enabled? Does the position fixer have a fix? Refer to position fixer manual.
nmea data unstable
fault description: The value of cross track error data being received has suddenly changed by more
than 0.3Nm.
check list:
1.
Check cross track error on display for stability.
2. Check operation of position fixer, especially signal and noise levels. Refer to position fixer
manual.
poor wind data
fault description: There is no valid wind data being received via the h1000 Fastnet 2 databus, or the
wind speed is less than 1 knot.
check list:
1.
Check wind functions on h1000 digital display or pilot display.
2. Check masthead unit connections to instrument system.
3. Check NMEA connections to NMEA interface if wind source comes from another instrument.
current trip limit
fault description: The voltage or current limit circuit for the drive motor or the clutch has tripped.
x 12/24V drive motor: 25A
x Clutch: 2A
check list:
1.
Check installation and wiring for short circuits.
2. Check current to clutch; maximum available 2A.
3. Check maximum current to drive motor is less than 25A.
no pilot detected
fault description: No regular messages being received by pilot display from pilot computer unit; i.e.
either the display is not receiving or the pilot computer is not transmitting.
check list:
1.
If other displays show pilot data, check installation of pilot display or suspect faulty pilot display.
2. If no pilot data on any display, check installation of pilot computer or suspect faulty pilot
computer.
3. Check installation of h1000 Fastnet 2 cable.