Carrier VECTOR 6500 - Engine Starts then Stops; Engine will Not Shut off; Malfunction in the Engine Starting Circuit; Starter Motor Malfunction

9−2
62-11389
Indication/Trouble
Possible Causes Action/Refer-
ence Section
9.1.2 Engine Starts Then Stops
Engine stops after
several rotations
Fuel supply restricted Check
No fuel in tank Check
Leak in fuel system Check
Faulty fuel control operation Engine Manual
Plugged fuel filter 8.5.5
Plugged inlet screen to mechanical pump. 8.5.3
Plugged inlet screen to electric pump. 8.5.4
Injector nozzle(s) defective Engine Manual
Injection pump defective Engine Manual
Air cleaner or hose restricted 8.5.9
Safety device open 2.13
ESC defective 9.5
Electric fuel pump malfunction 8.5.4
Mechanical fuel pump malfunction Engine Manual
Oil pressure switch defective Replace
9.1.3 Engine Will Not Shut Off
Engine will not shut off ESC operation defective 9.5
9.1.4 Starter Motor Malfunction
Starter motor will not
crank or turns slowly
Battery insufficiently charged 9.2
Battery cable connections loose or oxidized Check
Battery cables defective Replace
Starter brushes shorted out Engine Manual
Starter brushes hang up or have no contact Engine Manual
Starter solenoid damaged Engine Manual
Incorrect grade of lubricating oil 2.8
Starter motor turns
but pinion does not engage
Pinion or ring gear obstructed or worn Clean both,
remove burrs,
or replace
Starter motor does not disengage
after engine starts
Starter motor solenoid defective Engine Manual
Defective starter Engine Manual
9.1.5 Malfunction In The Engine Starting Circuit
No power to starter solenoid (SS)
Battery defective Check
Loose electrical connections Tighten
ESC defective 9.5
No power to Starter Solenoid connector 9.5