Multiquip DCA-150SSKII -TROUBLESHOOTING GENERATOR/ENGINE, Engine & Generator Troubleshooting

Table of Contents

DCA-150SSKII —TROUBLESHOOTING (GENERATOR/ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use the tables shown for

diagnosis based on the Engine and Radiator Troubleshooting (Table 18) and the MPEC Troubleshooting (Table 19). If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 18. ENGINE & GENERATOR TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
	Dead battery?	Replace battery.
Engine fails to start and
	Defective starter switch?	Replace switch.
starter does not rotated.
	Fuse F5 burned out?	Replace fuse.
	Broken pre-heat circuit?	Check pre-heat circuit.
Engine fails to start and
	No fuel?	Add fuel.
starter rotates.
	Defective wiring?	Check wiring.
	Clogged fuel strainer?	Clean or replace.
Engine starts and remains at
	Clogged air cleaner?	Clean or replace.
low speed.
	Disconnected wiring?	Check and repair wiring.
	No voltage present in AC	Replace rectifier (RE1).
	power source?
Engine speed rises and no	Defective rotor?	Replace rotor.
volteage is present n AC	Defective voltmeter?	Replace voltmeter.
power source.
	Disconnected wiring?	Check and repair wiring.
	Layer short-circuit in armature	Replace armature.
	winding?
Engine speed rises and AC	Defective circuit breaker	Replace circuit breaker (protector).
	(protector)?
power voltage is too low or
	Layer short-circuit, broken
cannot be used.		Repair or replace armature.
	wires in armature winding?
Engine speed rises and	Defective engine regulator?	Replace regulator.
battery discharges too soon.	Defective wiring?	Repair or replace wiring.
Engine speed rises and	Defective alternator?	Repair or replace alternator.
engine seems overloaded.	Damaged alternator bearing?	Replace alternator bearings.

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