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28/02/2020
Troubleshooting
AP47 Display is completely Black
Check power is available: 12V-24VDC
Check boat master switch for AUTOPILOT
Check circuit breaker (if applicable)
Check in-line fuse of AP47 red wire
Check all wiring connections AP47
Check Backlight setting
AP47 does not move rudder when AUTO is selected
Confirm AP47 display is showing compass heading information
& No alarm situation.
Check voltage is present at the AP47 motor connections (Yellow and
yellow with black stripe) when AUTO is selected and a course change is
applied.
Confirm that the supply voltage is 12V-24VDC (Red and Black).
Check all motor and clutch wiring
Check motor is functioning in manual mode, then check motor brushes
Check the hydraulic system is operational:
1. Ensure there is sufficient hydraulic fluid.
2. Purge the system of possible air locks / contamination.
3. Ensure that any flow restricting valves are not completely closed.
4. Check all hydraulic connections for leaks.
