Section 7 - Troubleshooting
Page 140 90-866938081 MAY 2009
Symptom Remedy
ERC lever increases engine RPM, but does not
engage gears and boat does not move.
Key off and key on.
Check "Throttle Only" button on DTS track pad. Put ERC
levers in neutral and push the button to disengage, if the light
is on.
Check transmission fluid level and fill if necessary. See
Section 5, Maintenance.
Engage gears manually. See Section 3, Gear Engagement
—Emergency Procedure.
Contact your Authorized Cummins MerCruiser Repair
Facility.
ERC lever controls engine and drive, but does
not reach wide open throttle.
If engine only reaches 50% of WOT, check "DOCKING"
button on DTS track pad. Put handles in neutral and push
button to disengage, if light is on.
Check VesselView to see if cruise control enabled. Disable
cruise control.
Check propeller for damage. Consult your Check
VesselView for Guardian fault codes that cause engine
power reduction. If found, have the vessel checked by your
Authorized Cummins MerCruiser Diesel Repair Facility to
discuss if propellers need to be changed.
Unlock the Automatic Tab Override switch or raise tabs.
ERC lever controls engine and drive, but does
not respond in a linear manner.
Check "TROLL" button on DTS track pad. Put handles in
Neutral and push "TROLL" button to disengage, if light is
on.
Check if dock mode or cruise control are on. Turn off or
disengage, if on.
One ERC lever is moved, but both engines
respond.
Check "1 LEVER" button on DTS track pad. Put handles in
neutral and push "1 LEVER" button to disengage, if light is
on.
ERC control, joystick, and steering wheel do not
function.
Restore helm control. Press "HELM" on DTS track pad.
(Multiple helm boats only.)
Steering System
Symptom Remedy
Steering wheel operates without
resistance, but steers boat.
Starboard key switch turned off. Turn starboard key switch on.
Check and start starboard engine.
Starboard harness circuit breaker tripped. Reset circuit
breaker.
Steering wheel does not steer the boat.
For contingent operation, change to joystick for directional
control. Contact your Authorized Cummins MerCruiser Diesel
Repair Facility.
Check steering actuator fluid level and fill if necessary. See
Section 5, Maintenance.
Refer to Contingent Operations, Steering and Trim—Manual
Override or contact your Authorized Cummins MerCruiser
Diesel Repair Facility.
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