Carrier 69UG15 manual Condition Possible Cause Reference Section, Engine Will Not Shut Off

		REMEDY/
CONDITION	POSSIBLE CAUSE	REFERENCE
		SECTION
3.1.3 Engine Will Not Shut Off
Engine will not shut off	Loose ground connection	Clean/Tighten
	Improperly seated fuel solenoid	Correct
3.1.4 Starter Motor Malfunction
	Battery insufficiently charged	Charge
	Battery cable connections loose or oxidized	Check/Replace
	Battery cables defective	Check/Replace
Starter motor will not crank or turns	Starter brushes shorted out	Engine Manual
slowly	Starter brushes hang up, defective or have no contact	Engine Manual
	Starter solenoid damaged	Engine Manual
	Ignition switch defective	Replace
	Engine lube oil too heavy	Section 1.10.f.
Starter motor turns, but pinion does	Pinion or ring gear obstructed or worn	Engine Manual
not engage
Starter motor does not disengage	Ignition switch is bad	Check/Replace
after switch has been released	Starter motor solenoid is bad	Engine Manual
Pinion does not disengage after	Starter is bad	Engine Manual
engine is running
3.1.5 Malfunction In The Engine Starting Circuit
No power to starter motor solenoid	Battery defective	Correct
	Loose electrical connections	Tighten
	Battery defective	Correct
	Loose electrical connections	Tighten
	Oil pressure switch defective	Section 1.8
Fuel solenoid does not energize or	Water temperature safety switch open	Section 1.8
	Fuel solenoid defective	Engine Manual
does not remain energized
	Intake heater switch is bad	Check
	Electronic governor module is bad	(Engine Manual)
		Replace
		(Section 4.4.15)
		Check/Replace
	Intake heater switch is bad	Section 4.4.15
Intake heater does not energize	Timer is bad	Section 4.4.15
	Heater element is bad	Section 4.4.15
	Heater relay is bad	Section 4.4.15

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