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7.2
Faults and troubleshooting
7.2.1
Fault types
Non-critical faults
A flashing yellow status LED indicates a fault that does not affect the actuators.
An example is a faulty dial sensor. The trim tabs would still be operable using the
bow up and bow down buttons, but the dial would not work.
Critical faults
A flashing red status LED indicates a critical fault that will prevent one or both
actuators from operating.
Conditions that can cause a critical fault include:
• low or high battery voltage (these will reset automatically if the voltage
condition is corrected).
Actuator faults
A flashing tab position LED indicates an actuator fault. The LED corresponding to
the last known position will flash.
Conditions that can cause an actuator fault include:
• an actuator harness is unplugged, corroded, or otherwise not making a connection.
• a short circuit in the actuator or harness.
• something is preventing the tab from moving.
• a mechanical fault in the actuator.
7.2.2
Fault recovery
When a fault occurs, try cycling power to the trim tab system first. This may clear the
fault. In the event of a critical fault that does not clear you will usually need to take
your boat to a marine technician (or an Optimus-certified dealer when equipped
with Optimus) for diagnosis and repair. If you are on the water, experience and
judgment may suggest that you return to port immediately, especially if conditions
are changing. A tab position that has the boat in a good running attitude now may
be a poor tab position if the wind changes.
If the tabs are stuck in a position that gives the boat a poor running attitude, the best
response is to slow down. The slower the boat moves the less effect the tabs have
on attitude.
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Adaptive Trim Tab System
EN
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