Carrier SUPRA 950Mt - Troubleshooting; Diesel Engine; Engine will Not Start; Engine Starts then Stops

6-1 62-11863
SECTION 6
TROUBLESHOOTING
CAUTION
!
Under no circumstances should anyone attempt to service the microprocessor! Should a prob-
lem develop with the microprocessor, contact your nearest Carrier Transicold dealer for
replacement.
6.1 DIESEL ENGINE
INDICATION / TROUBLE POSSIBLE CAUSES REFERENCE
6.1.1 Engine Will Not Start
Starter motor will not crank or
low cranking speed
Battery insufficiently charged
Battery terminal post dirty or defective
Bad electrical connections at starter
Starter motor malfunctions
Starter motor solenoid defective
Open starting circuit
Incorrect grade of lubricating oil
Check
Check
Check
6.1.3
Engine Manual
6.1.4
2.7.2
Starter motor cranks
but engine fails to start
No fuel in tank
Air in fuel system
Water in fuel system
Plugged fuel filters
Plugged fuel lines to injector (s)
Fuel control operation erratic
Glow plug(s) defective
Run solenoid defective
Fuel pump (FP) malfunction
Check
Check
Drain Sump
Replace
Check
Engine Manual
5.2.6
5.2.3
5.2.5
Starter cranks, engages,
but dies after a few seconds
Engine lube oil too heavy
Voltage drop in starter cable(s)
2.7.2
Check
6.1.2 Engine Starts Then Stops
Engine stops after
several rotations
Fuel supply restricted
No fuel in tank
Leak in fuel system
Faulty fuel control operation
Fuel filter restricted
Injector nozzle(s) defective
Injection pump defective
Air cleaner or hose restricted
Safety device open
Open wiring circuit to run solenoid
Fuel pump (FP) malfunction
Check
Check
Check
Engine
Replace
Engine Manual
Engine Manual
5.2.4
2.8
Check
5.2.5