Section 7 - Troubleshooting
90-866938081 MAY 2009 Page 141
Symptom Remedy
Steering works, but boat is not as
responsive.
Key off and key on.
Check and start port engine.
Check trim tab function.
Check steering actuator fluid level and fill if necessary. See
Section 5, Maintenance.
Contact your Authorized Cummins MerCruiser Diesel Repair
Facility.
Steering wheel turned past end stop.
Key off and key on to restore steering wheel self‑centering,
cruise control, and to attempt to erase fault code.
Trim Tabs
Symptom Remedy
Automatic trim tabs not working.
Turn off the trim tab override switch.
Check steering actuator fluid level and fill if
necessary. See Section 5, Maintenance.
Contact your Authorized Cummins MerCruiser Diesel
Repair Facility.
Automatic trim tabs working, but erratic.
Check steering actuator fluid level and fill if
necessary. See Section 5, Maintenance.
Contact your Authorized Cummins MerCruiser Diesel
Repair Facility.
Boat Response Changes
Symptom Remedy
Boat response sluggish
Check that both engines are on and functioning properly. Restart stopped
engine.
Check VesselView for fault codes.
Check fuel quality.
Check and drain the water separating fuel filter.
Boat vibrates or is slow to
respond following a noise
or impact.
1. Shut down engines and check for damage in the engine room.
2. Check in the engine room or under the boat for damage to the drives.
3. Return to dock at reduced speed.
4. Contact your Authorized Cummins MerCruiser Diesel Repair Facility if
impact damage is found or suspected.
1. Shut down engines.
2. Turn off and remove keys.
3. Check propellers for damage. If damaged, return to your Cummins
MerCruiser Diesel Authorized Repair Facility for repair or replacement
Battery Will Not Charge
Possible Cause
Remedy
Excessive current draw from battery.
Turn off non‑essential accessories, like the air conditioning and hot
water heater.
Loose or dirty electrical connections or
damaged wiring.
Check all associated electrical connections and wires (especially
battery cables). Clean and tighten faulty connections. Repair or
replace damaged wiring.
Ensure area around the ground connections is clean and making
good metal‑to‑metal contact.
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