Multiquip DCA-15SPX4 DCA-10SPX4 -TROUBLESHOOTING PRE-HEAT LAMP CODES, Failure Diagnosis Lamp Code

DCA-10SPX4 —TROUBLESHOOTING (PRE-HEAT LAMP CODES)

When the Emergency/Malfunction Diagnosis Function has been activated, it stops the engine and flashes the pre-heat lamp to indicate the cause of the malfunction with its flashing patterns. The flashing patterns and countermeasures are shown below. The patterns consist of combinations of one or more long flashes and one or more short flashes.

TABLE 18. FAILURE DIAGNOSIS LAMP CODE

LOCATION OF FAULT	POSSIBLE FAULT REASONS	INDICATION	SUGGESTED REPAIRS
Engine Over Speed	115% or more the rated revolution	1 Long 1 Short
	speed
Low Oil Pressure	Engine stops at 49kPa or more	1 Long 2 Short
	(oil pressure lamp on)
Insufficient Charge	Charging generator has no voltage	1 Long 3 Short
Rotation Sensor	Defective sensor, disconnection,	2 Long 1 Short	Check all of the connections. If
	short circuit
			connections are sound, contact the
Solenoid	Disconnection, short circuit	2 Long 2 Short
			Service Department for repairs.
Water Temperature	Disconnection	2 Long 4 Short
Sensor	Short circuit	2 Long 5 Short
Charging Generator	Disconnection	2 Long 6 Short
Terminal
Over Voltage	VCC at 18V or more	2 Long 7 Short
			Make sure that routine service has
High Water			been performed, and check thermo
	Engine stops at 115C or more	1 Long 4 Short	switch. If the problem persists,
Temperature
			contact the Service Department for
			repairs.

DCA-15SPX4— OPERATION MANUAL — REV. #0 (02/17/09) — PAGE 45