Troubleshooting - FNM HPE 300 Owner's Manual

Marine Diesel Engines
Possible fault
Control lever not in neutral.
The emergency stop button is pushed in (ECU Box) .
Faulty or discharged battery (too low voltage ) .
Fuses blown.
Loose or corroded connections in the starting circuit.
Starter relay is not operated due to too low voltage caused by a very
long intermediate cable from engine to control panel
Wrong engine electric ground connection
Faulty starter-switch or faulty starter-relay.
Faulty starter-motor or pinion does not engage.
Seized components.
Water in the cylinders.
Possible fault
Fuel supply valve closed.
(Almost) empty fuel tank.
Air in fuel supply system.
Fuel filter clogged with water and/or contamination.
Fuel pre-filter clogged .
Fuses burnt.
Leaking in the fuel supply line or fuel injection line
Vent line of fuel supply tank clogged.
Clogged exhaust.
Fuel low pressure electrical pump is not working.
Fuel electric pressure regulator clogged
Faulty ECU.
Possible fault
Air in fuel supply system.
Intake air filter clogged .
Wrong fuel quality or contaminated fuel.
Faulty glow plugs.
Incorrect lube oil SAE class or quality for ambient
temperature.
ENG rel. 1/11
O
WNER

Troubleshooting

The starter will not crank
Engine cranks but will not start, no smoke from exhaust
Engine cranks but will not start, smoke from exhaust
www.fnm-marine.com
'
M
S ANUAL
Put operating lever in neutral
Pull the emergency stop knob out.
Check / recharge battery and check engine generator
and/or battery charger.
Replace.
Clean and tighten the connections.
Install an auxiliary starter relay.
Inspect / review
Check / replace.
Check / replace the starter-motor.
Repair.
Repair.
Open.
Fill the tank.
Check and bleed.
Check or replace.
Clean/replace
Check/replace.
Check / replace.
Check/clean.
Verify .
Check the electrical connection, check the pump, clean
or replace.
Unclog / replace
Diagnosis / replace.
Check and bleed the air.
Clean/replace
Check fuel. Drain and flush fuel tank. Replace with new
fuel.
Check / replace.
Replace.
Engine maintenance
HPE300
Remedy
Remedy
Remedy
73