Multiquip DCA85usJ2 manual Troubleshooting Engine Controller, Clean/repair radiator grill

Page 65

TROUBLESHOOTING (ENGINE CONTROLLER)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 20 (Engine Controller Troubleshooting) as a basic guideline for troubleshooting the Microprocessor Engine Controller unit (MPEC). If the problem cannot be remedied, consult our company's business office or service plant.

Table 20. Engine Controller Troubleshooting (MPEC)

Symptom

Possible Problem

Solution

 

Low oil level?

Fill oil level.

Low oil pressure light is on.

Oil pressure sending unit failure?

Replace oil pressure sending unit.

Time delay malfunction in controller?

Refer to dealer.

 

 

Wire shorted?

Inspect/repair wire.

Low coolant level light is on.

Low coolant level?

Fill coolant level.

Sending unit failure?

Replace sending unit.

(Optionally installed)

 

 

Low battery voltage?

Replace/charge battery.

 

 

Fan belt tension incorrect?

Tighten/replace fan belt.

 

Air fl ow is not circulating through radiator?

Clean/repair radiator grill.

 

Doors open?

Close doors.

High coolant temperature

Exhaust leaking?

Replace/repair gaskets or faulty part.

light is on.

Generator being overloaded?

Check/reduce load.

 

Thermostat failure?

Replace thermostat.

 

Air intake blocked?

Clean all air intakes.

 

Temperature switch failure

Replace temperature switch.

Overcrank light is on.

No or low fuel?

Fill fuel level.

Controller needs to be calibrated?

Refer to dealer.

 

 

RPM engine speed too high?

Adjust RPM.

Overspeed light is on.

Governor actuator needs to be adjusted?

Adjust governor actuator.

Governor controller needs to be adjusted?

Adjust governor controller.

 

 

Engine controller needs to be calibrated?

Refer to dealer.

Loss of MPU light(s) or on.

Magnetic pick up out of adjustment?

Adjust magnetic pick up.

Magnetic pick up dirty?

Clean magnetic pick up.

 

DCA85USJ2 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/22/11) — PAGE 65

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Contents This Manual Must Accompany the Equipment AT ALL Times Model DCA85USJ2Proposition 65 Warning Administrator Reporting Safety DefectsDCA-85USJ2 Generator Table of ContentsOrdering parts has never been easier Parts Ordering ProceduresSafety Messages Safety Information Always know the location of the nearest General SafetyGenerator Safety Before servicing equipment Engine SafetyTowing Safety Fuel Safety Never use fuel as a cleaning agent From fuel vapors or if fuel is spilled on a hot engineGrounding Safety Electrical SafetyPower Cord/Cable Safety Device. All installations should beEnvironmental Safety Battery SafetyDCA-85USJ2 SpecificationsDimensions DimensionsTypical Generator Grounding Application InstallationIndoor Installation Outdoor InstallationMounting Generator GroundingGeneral Information Item no Major ComponentsMenu Button Press this button to enter or exit menu screens Diagnostic DisplayDisplay Parameters Selecting a Language First Time Start UpMain Menu Navigation Engine Configuration Data Stored Fault CodesFirst Time Start-Up Touch the Menu Button to return to the main menu Display will return to the single or four parameter screen Faults and WarningAuxiliary Gage Fault Fault Code Active Fault CodesShutdown Codes Bachlight AdjustmentContrast Adjustment Select Units Setup 1-UP DisplayUSE Defaults Automatic Scan on Touch the Enter Button and a list of parameters will appear Setup 4-Up DisplaySelect the 4-Up Custom Setup from the 4-Up Setup menu Functions Utilities information and troubleshootingTouch Menu Button to return to the Utilities menu When fi nished, touch Menu to return to the previous screen Modbus SetupTimeout ECU not Responding Data ErrorCanbus Failure No DataOFF Generator Control PanelOFF Engine Operating PanelEngine Operating Panel Terminal legs O and Ground are considered bonded grounds Output Terminal Panel FamiliarizationOutput Terminal Familiarization VAC Gfci Receptacles Removing the Plastic Face Plate Hard Wire Hookup PanelOver Current Relay Connecting LoadsLoad Application Single Phase LoadThree Phase Load Generator Output Voltages Generator OutputsGenerator OUTPUTS/GAUGE Reading HOW to Read the AC Ammeter and AC Voltage GaugesAC Voltmeter Gauge Reading AC Ammeter Gauge ReadingUvwo Terminal Output Voltages Output Terminal Panel Connections3Ø-240/139 Uvwo Terminal Output Voltages 3Ø-208V/1Ø-120V Uvwo Terminal Output Voltages1Ø-240/120V Uvwo Terminal Output Voltages 3Ø-480/277V Uvwo Terminal Output VoltagesCircuit Breakers INSPECTION/SETUPLubrication OIL Fuel CheckOnly use #2 diesel fuel when refueling Refueling ProcedureAIR Cleaner FAN Belt Tension Cleaning the RadiatorCoolant ANTIFREEZE/SUMMER COOLANT/ Water Operation in Freezing WeatherBattery Cable Installation BatteryWiring AlternatorBefore Starting Generator START-UP Procedure Manual ModeStarting Starting ManualEngine Speed Switch High Without this transfer switch Starting Auto ModeBefore connecting this generator to any Emergency Shutdown Procedure Generator SHUT-DOWN ProceduresNormal Shutdown Procedure Air Cleaner with Dust Indicator MaintenanceGeneral Inspection AIR Cleaner AIR Removal Fuel AdditionFuel Tank Inspection Check OIL Level Radiator CleaningReplacing Oil Filter Flushing OUT Radiator and Replacing CoolantCoupler Type of hitch used on the trailer for towing Trailer MaintenanceTrailer Maintenance Brakes Brake AdjustmentHydraulic Surge Brakes ActuatorSuspension TIRES/WHEELS/LUG NutsTire Wear/Inflation Never use an pneumatic air gun to tighten wheel lug nuts Lug Nut Torque RequirementsTrailer/Towing Vehicle Wiring Diagram Trailer Wiring DiagramGenerator Wiring Diagram Generator Wiring DiagramEngine Wiring Diagram Engine Wiring DiagramTroubleshooting Generator Clean/repair radiator grill Troubleshooting Engine ControllerAdjust governor actuator Adjust governor controllerExplanation of Code in Remarks Column Sample Parts ListTo 3 units Suggested Spare PartsGenerator Assy 0012810035 81010700338101611004 8101015003Control BOX Assy M2213001712 M22130017020330000180 0330000280Control BOX Assy 0601802218 M426660000433A 0601806653 33B 0601802149Control BOX Assy 0027105010 M3223100004M9220100004 0080200007Engine and Radiator Assy R135680 M2923200094RE504836 RE529643Engine and Radiator Assy 0605511399 06055113950603306395 0603306399Output Terminal Assy M9220100304 M3230700003M9220100404 0039316000Battery Assy M9310500014 0602220199M9103000304 0602220920Muffler Assy 0017112030 M2330101303M2333001603 M2333200204Fuel Tank Assy 0605505070 M23630009020605501073 0605516090Enclosure 1 Assy M2363300703 M24130022020016910030 0603306797Enclosure 1 Assy 34A M2493502104 M2463200603M2463400203 M2423200814Enclosure 2 Assy M3493308603 M3443001902M3443002004 M2443400003Enclosure 2 Assy 30A 0030006000 29A C9312500004M9110100804 M9110100904Rubber Seals Assy 0229201130 02292012400314502550 0229200125Nameplate and Decals Assy M1550002203 M1550000204M2550002603 M2550002613Freight Policy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help