TROUBLESHOOTING
SECTION 7
Page 102 CMD-3967823 / 90-865237030 OCTOBER 2003
0103
Troubleshooting Charts
Starter Motor Will Not Crank Engine, Or Cranks Slow
Possible Cause Remedy
Battery switch turned off. Turn switch on.
Remote control not in neutral position. Position control lever in neutral.
Open circuit breaker or blown fuse.
Check and reset circuit breaker or replace
fuse.
Loose or dirty electrical connections or
damaged wiring.
Check all electrical connections and wires
(especially battery cables). Clean and
tighten faulty connection.
Bad battery. Test and replace if bad.
CE534
Engine Will Not Start, Or Is Hard To Start
Possible Cause Remedy
Lanyard stop switch activated. Check lanyard stop switch.
Improper starting procedure. Read starting procedure.
Empty fuel tank or fuel shut off valve
closed.
Fill tank or open valve.
Faulty electrical stop-circuit.
Have an authorized Cummins MerCruiser
Diesel dealer / distributor service the
electrical stop circuit.
Clogged fuel filters. Replace filters.
Stale or contaminated fuel. Drain tank. Fill with fresh fuel.
Fuel line or tank vent line kinked or
clogged.
Replace kinked lines or blow out lines with
compressed air to remove obstruction.
Air in fuel injection system. Purge fuel injection system.
Faulty wire connections. Check wire connections.
Glow-plugs or glow-plug system
inoperative, if so equipped.
Test, and repair or replace components.
Injector / injector nozzle malfunction.
Have inspected by an authorized
Cummins MerCruiser Diesel dealer /
distributor.
Incorrect injection timing.
Have inspected by an authorized
Cummins MerCruiser Diesel dealer /
distributor.
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