Section 7 - Troubleshooting
90-866938081 MAY 2009 Page 139
Poor Performance
Symptom Remedy
Throttle not operating properly.
Check that the Cruise Control is disengaged.
Turn off Troll or Dock functions on DTS control pad. Refer to Special DTS
Functionality.
Damaged or improper propeller.
Replace the propeller. See an Authorized Cummins MerCruiser Diesel
Repair Facility.
Excessive bilge water. Drain and check for the cause of entry.
Boat overloaded or load
improperly distributed.
Reduce the load or redistribute the load more evenly.
Boat bottom fouled or damaged. Clean or repair as necessary.
Tabs locked in the down
position.
Unlock the automatic tab override switch.
Poor quality of fuel.
Use a cetane booster as recommended by your Authorized Cummins
MerCruiser Diesel Repair Facility.
Water in the fuel.
Run out fuel and fill with fresh fuel. The fuel filter may need to be drained or
changed several times during this process.
Engine or electronic fuel system
fault.
Have the engine or electronic fuel system checked by an Authorized
Cummins MerCruiser Diesel Repair Facility.
Guardian fault code set.
Check VesselView for Guardian fault codes that cause engine power
reduction. If found, have the system checked by your Authorized Cummins
MerCruiser Diesel Repair Facility.
Joystick
Symptom Remedy
Joystick does not control boat.
Both remote controls are not in neutral. Put remote controls
in neutral.
One or both engines are not running. Start engine or
engines.
Response to joystick inputs are erratic, or
joystick operates independent of input.
Ensure there are no radios or other sources of electronic or
magnetic interference near the joystick.
Joystick does not function properly and a fault
code is set.
Check VesselView for Guardian fault codes that cause engine
power reduction. If found, have the system checked by your
Authorized Cummins MerCruiser Diesel Repair Facility.
Joystick does not work—No fault code set,
cruise control engaged.
Disengage cruise control
Electronic Remote Controls
Symptom Remedy
ERC (electronic remote control) lever is too hard
or too easy to get out of neutral detent.
Adjust detent tension. See Section 2, Dual Handle
Electronic Remote Control with DTS Trackpad Features
and Operation .
ERC lever moves too hard or too easy through
its range of motion.
Adjust handle tension screw. See Section 2, Dual Handle
Electronic Remote Control with DTS Trackpad Features
and Operation .
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