DCA-400SSK —TROUBLESHOOTING (Engine Controller)
TABLE 18. ENGINE CONTROLLER TROUBLESHOOTING
Sympton | Possible Cause | Solution | |
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Low oil pressure light is | Low oil level? | Fill oil level. | |
on. |
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Oil pressure sending unit failure? | Replace oil pressure sending unit. | ||
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| Time delay malfuntion in Controller? | Refer to dealer. | |
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| Wire shorted? | Inspect/repair wire. | |
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Low coolant level light | Low coolant level? | Fill coolant level. | |
is on. |
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Sending unit failure? | Replace sending unit. | ||
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| Low battery voltage? | Replace/charge battery. | |
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High coolant | Fan belt tension incorrect? | Tighten/replace fan belt. | |
temperture light is on. |
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Air flow is not circulation through radiator? | Clean/repair radiator grill. | ||
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| Doors open? | Close doors. | |
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| Exhaust leaking? | Replace/repair gaskets or faulty part. | |
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| Generator being overloaded? | Check/reduce load. | |
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| Thermostat failure? | Replace thermostat. | |
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| Air intake blocked? | Clear all air intakes. | |
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| Temperature switch failure? | Replace temperature switch. | |
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Overcrank light is on. | No or low Fuel? | Fill fuel level. | |
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| Controller needs to be calibrated? | Refer to dealer. | |
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Overspeed light is on. | RPM engine speed too high? | Adjust RPM. | |
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| Governor actuator needs to be adjusted? | Adjust governor actuator. | |
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| Governor controller needs to be adjusted? | Adjust governor controller. | |
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| Controller needs to be calibrated? | Refer to dealer. | |
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Loss of MPU light(s) or | Magnetic pick up out of adjustment? | Adjust magnetic pick up. | |
on. |
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Magnetic pick up dirty? | Clean magnetic pick up. | ||
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