DCA-500SSK —TROUBLESHOOTING (MPEC)

All breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based

on the MPEC Troubleshooting (Table 18) information shown below. If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 18. MPEC TROUBLESHOOTING

Sympton

Possible Cause

Solution

 

 

 

 

Low oil level?

Fill oil level.

 

 

 

Low oil pressure

Oil pressure sending unit failure?

Replace oil pressure sending unit.

 

 

light is on.

Time delay malfuntion in MPEC?

Refer to dealer.

 

 

 

 

 

Wire shorted?

Inspect/repair wire.

 

 

 

 

Low coolant level?

Fill coolant level.

Low coolant level

 

 

Sending unit failure?

Replace sending unit.

light is on.

 

 

 

Low battery voltage?

Replace/charge battery.

 

 

 

 

Fan belt tension incorrect?

Tighten/replace fan belt.

 

 

 

 

Air flow is not circulation through

Clean/repair radiator grill.

 

radiator?

 

 

 

 

 

 

Doors open?

Close doors.

High coolant

 

 

Exhaust leaking?

Replace/repair gaskets or faulty part.

temperture light is

 

 

on.

Generator being overloaded?

Check/reduce load.

 

 

 

 

 

Thermostat failure?

Replace thermostat.

 

 

 

 

Air intake blocked?

Clear all air intakes.

 

 

 

 

Temperature switch failure?

Replace temperature switch.

 

 

 

Overcrank light is

No or low Fuel?

Fill fuel level.

 

 

on.

MPEC needs to be calibrated?

Refer to dealer.

 

 

 

 

 

RPM engine speed too high?

Adjust RPM.

 

 

 

Overspeed light is

Governor actuator needs to be adjusted?

Adjust governor actuator.

 

 

Governor controller needs to be

 

on.

Adjust governor controller.

 

adjusted?

 

 

 

 

 

 

MPEC needs to be calibrated?

Refer to dealer.

 

 

 

Loss of MPU

Magnetic pick up out of adjustment?

Adjust magnetic pick up.

 

 

light(s) or on.

Magnetic pick up dirty?

Clean magnetic pick up.

 

 

 

 

DCA-500SSK — PARTS AND OPERATION MANUAL (STD)— REV. #1 (04/14/01) — PAGE 65

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Multiquip operation manual DCA-500SSK -TROUBLESHOOTING Mpec, Mpec Troubleshooting