SECTION 3

TROUBLESHOOTING

 

 

REMEDY/

CONDITION

POSSIBLE CAUSE

REFERENCE

 

 

SECTION

 

 

 

3.1 DIESEL ENGINE

 

 

 

 

 

3.1.1 Engine Will Not Start

 

 

 

 

 

 

Battery insufficiently charged

Charge

 

Battery terminal post or battery defective

Check

Starter motor will not crank or low

Electrical connections at starter are bad

Correct

Starter motor malfunctions

See 3.1.4

cranking speed

Starter motor solenoid defective

Engine Manual

 

 

Open starting circuit

See 3.1.5

 

Incorrect grade of lubricating oil

Section 1.10.f.

 

 

 

 

No fuel in tank

Sections

 

 

1.9/1.10.g

 

Air inside the fuel system

Section 4.4.1

 

Water inside the fuel system

Drain Sump

 

Plugged fuel filters

Replace

Starter motor cranks, but fails to

Air intake heater is bad

Section 4.4.15

Low oil / Oil pressure switch defective

Section 4.4.7

start

Faulty heater switch

Section 4.4.8

 

 

Plugged fuel lines to injector(s)

Engine Manual

 

Mechanical lift fuel pump malfunction

Engine Manual

 

Fuses F1, F2, F3, F4 are bad

Check/ replace

 

Loose or no connection between wire harness and

Check/correct

 

electronic governor

 

 

 

 

Starter cranks and engages, but

Engine lube oil too heavy

Section 1.10.f.

dies after a few seconds

Voltage drop in starter cable(s)

Check

 

 

 

3.1.2 Engine Starts Then Stops

 

 

 

 

 

 

No fuel in tank

Sections

 

 

1.9/1.10.g

 

Fuel heater switch not held long enough

Hold switch

 

Fuel filter restricted

Replace

 

Air cleaner or hose restricted

Section 4.4.13

 

Engine crankcase breather or hose restricted

Section 4.4.14

 

Safety device open

Section 1.8

 

Open wiring circuit to fuel solenoid

Check

Engine stops after a few rotations

Fuel solenoid defective

Replace

 

Fuel supply restricted

Sections 1.10.g,

 

 

4.4.2, and 4.4.3

 

Mechanical lift fuel pump malfunction

Engine Manual

 

Low oil / Oil pressure switch defective

Section 4.4.7

 

Leak in fuel system

Check

 

Injector nozzle(s) defective

Engine Manual

 

Injection pump defective

Engine Manual

 

Generator internal overloads open

Table 1-4

 

 

 

3--1

T-343

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Carrier 69UG15 manual Section Troubleshooting, Remedy, Condition Possible Cause Reference Section Diesel Engine