Raymarine T70152 Installation Instructions Manual page 32

30
SYMPTOM
The autopilot will not 'talk' to other
SeaTalk instruments
Position information not received
The autopilot will not auto advance to
the next waypoint
The control unit display shows a series
of rotating dashes
The control unit display shows a series
of stationary dashes
The control unit display shows NO DATA
Wheel drive: drive belt slips in Auto
mode (motor operates but drive does
not turn wheel)
Wheel drive: drive belt drags in
Standby mode
General maintenance
Wheel drive
Routine maintenance
After each trip, flush inside the drive unit by inserting a hose pipe
in the free slot on the back cover.
SOLUTION
Cabling problem – make sure all the cables are
connected properly.
Navigator not transmitting the correct position
data.
No bearing to waypoint information received
from the navigator.
Compass deviation correction is running
The control unit is not receiving data – check the
cabling.
The signals received by the navigator are too
weak for reliable navigation – refer to the
navigator handbook for further action.
OR
Wind trim data is not available – check the
connection to the wind instrument.
Tighten the clutch
Loosen the clutch