Simrad AP48 User Manual

Alarm/Warning Possible cause Recommended action CAN bus failure
Not possible to send or receive data although bus voltage is ok.
• Check cable connections
Check heading
Jump in heading of more than 10°/ second.
• Check steering compass • Change to another heading source
Drive inhibit
Motor or solenoid drive electronics critically overloaded.
• Check connectors and cables • Check that the rudder angle measurement and the actual
physical rudder position corresponds
• Try to hand steer the rudder and verify that the rudder can
be moved freely
Drive not available
Autopilot system is unable to control the rudder.
• No rudder response often accompanied by drive not
available
Drive unit failure
The autopilot computer has lost communication with device.
• Check connectors and cables
End of route
Shown on the active control unit when an end route waypoint name has been received from the Plotter/ ECS.
• Manually control the vessel • Select a new rout
Engage output overload
Bypass valve or clutch is drawing excessive current.
• Ensure there is no shortage to ground or cabling damage • Disconnect cable from autopilot computer to motor, and
make sure there is no alarm when engaging FU or AUTO mode

Simrad AP48 Specifications

General

Brand	Simrad
Model	AP48
Category	Marine GPS System
Language	English