11-5
TABLE 11-1. TROUBLESHOOTING GENSET FAULTS (CONT.)
@@@@ Some genset service procedures present hazards that can result in severe personal
injury or death. Only trained and experienced service personnel with knowledge of fuels, electricity,
and machinery hazards should perform genset service. See Safety Precautions.
Accidental or remote starting can cause severe personal injury or death. Before removing a panel or
access door, disconnect the negative (–) cable from the battery to prevent the engine from starting.
WARNING
SERVICE CHECK—CODE NO. 3
Control Logic:
A fault with a 2-Digit Fault Code Number occurred
Corrective Action:
Check the 2-Digit fault code by
Pushing
and
Releasing
Stop
. The 2-Digit fault will be one
of the following in this table. (Does not apply to
e-
Series Digital Display.)
OVERCRANK—CODE NO. 4
Control Logic:
Cranking time exceeded 20 to 60 seconds, depending on ambient temperature
Corrective Action:
Refer to Pages A-1 through A-3 as appropriate.
1. Push the genset line circuit breaker OFF.
2. Check the fuel tank and fill as necessary. (Note: The arrangement of pickup tubes in the fuel supply tank
probably is such that the genset will run out of fuel before the propulsion engines.)
3. Remove combustion air or exhaust system blockages.
4. Open any closed fuel supply and return valves.
5. Prime the engine fuel system for at least 30 seconds (p. 3-3).
6. Service the battery as necessary by cleaning and tightening connections, recharging or replacing the
battery or replacing damaged battery cables (p. 4-2).
7. Check all fuel filters and fittings for fuel and air leaks, tighten as necessary and reprime.
8. Replace the fuel filters and reprime (p. 4-5).
9. Change the engine oil to oil of the proper viscosity for the ambient temperature. High oil viscosity can
slow down cranking speed.
10. Conduct a fuel pump test and replace if necessary (p. 6-4).
11. If loose, tighten the glow plug terminals (p. 6-5).
12. Inspect and service the glow plugs as necessary (p. 6-5).
13. Service the fuel injectors in accordance with the engine Workshop Manual (p. 6-1).
14. Service a worn engine in accordance with the engine Workshop Manual (p. 6-1).
WARNING—SHUTDOWN DUE TO VESSEL CO—CODE NO. 5
Control Logic:
Dangerous levels of Carbon Monoxide in Vessel
Corrective Action:
Get everyone out into fresh air immediately and seek medical attention.
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Summary of Contents for MDKBH Series
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