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

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Multiquip DCA-15SPX4 operation manual DCA-10SPX4 -TROUBLESHOOTING PRE-HEAT Lamp Codes, Failure Diagnosis Lamp Code