Multiquip operation manual DCA-400SSV-TROUBLESHOOTING Generator, Generator Troubleshooting

Page 52

DCA-400SSV—TROUBLESHOOTING (GENERATOR)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 19 shown below for diagnosis of the Generator. If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 19. GENERATOR TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

No Voltage Output

AC Voltmeter defective?

Check output voltage using a voltmeter.

 

 

 

 

Is wiring connection loose?

Check wiring and repair.

 

 

 

 

Is AVR defective?

Replace if necessary.

 

 

 

 

Defective Rotating Rectifier?

Check and replace.

 

 

 

 

Defective Exciter Field?

Check for 17.3 ohms across J & K on CN1

 

 

 

Low Voltage Output

Is engine speed correct?

Turn engine throttle lever to "High".

 

 

 

 

Is wiring connections loose?

Check wiring and repair.

 

 

 

 

Defective AVR?

Replace if necessary.

 

 

 

High Voltage Output

Is wiring connections loose?

Check wiring and repair.

 

 

 

 

Defective AVR?

Replace if necessary.

 

 

 

Circuit Breaker Tripped

Short Circuit in load?

Check load and repair.

 

 

 

 

Over current?

Confirm load requirements and reduce.

 

 

 

 

Defective circuit breaker?

Check and replace.

 

 

 

 

Over current Relay actuated?

Confirm load requirement and replace.

 

 

 

PAGE 52 — DCA-400SSV— OPERATION AND PARTS MANUAL — REV. #0 (04/19/06)

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Contents
Parts List NO. C3871301004 Model DCA-400SSV2 DCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 Heres HOW to GET Help Wilmington Ave Carson, CATable of Contents Parts Ordering Procedures When ordering parts Please supply the following informationDCA-400SSV- Specifications DCA-400SSV- Dimensions TOP, Side and Front DCA-400SSV- Safety Message Alert Symbols You can be injured if you do not follow directionsDCA-400SSV- Safety Message Alert Symbols This generator, other property, orGeneral Safety DCA-400SSV- Rules for Safe OperationElectrical Safety Generator GroundingMaintenance Safety Battery SafetyTowing &Transporting Safety EmergenciesDCA-400SSV- Generator Decals Generator DecalsDCA-400SSV- Generator Decals Generator Decals Cont inuedDCA-400SSV- Installation Typical Generator Grounding ApplicationOutdoor Installation Indoor InstallationWhen connecting the generator MountingGenerator Engine Operating PanelGenerator Control Panel Output Terminal PanelDCA-400SSV- Major Components Major ComponentsPilot Lamp Indicates DCA-400SSV- Generator Control PanelAuto On/Off Engine Controller Mpec DCA-400SSV- Generator Control Panel DCA-400SSV- Engine Operating Panel DCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 DCA-400SSV- Output Terminal Panel Familiarization Output Terminal Familiarization120VAC Gfci Receptacles F.C.I. ReceptacleConnecting Loads Over Current RelaySingle Phase Load Three Phase LoadDCA-400SSV- Load Application Motors and motor-drivenVoltage Change-Over Board Generator OutputVoltagesGenerator Amperage How to Read the Output Terminal Gauge Change-Over SwitchDCA-400SSV- Generator OUTPUTS/ Gauge Reading Maximum AmpsDCA-400SSV- Output Terminal Panel Connections Uvwo Terminal Output Voltages3Ø-240V Uvwo Terminal Output Voltages 1Ø-240V Uvwo Terminal Output Voltages1Ø-480V Uvwo Terminal Output Voltages 3Ø-480V Uvwo Terminal Output Voltages1Ø-277V Uvwo Terminal Output Voltages DCA-400SSV- PRE-SETUP Circuit BreakersLubrication Oil Fuel CheckRefueling Procedure RefuelingCleaning the Radiator Air Cleaner Fan Belt TensionCoolant Antifreeze/Summer Coolant/Water Operation FreezingWeatherBattery Battery Cable InstallationWiring AlternatorPlace the engine speed switch in the LOW down position Before StartingEngines exhaust contains harmful emissions Direct exhaust away from nearby personnelCoolant Temperature Gauge No LoadPlace the engine speed switch in the High position Starting Auto ModePlace the Mpec Control Switch in the Auto position Normal Shutdown Procedure Emergency Shutdown ProcedureDCA-400SSV- Maintenance General Inspection Air CleanerAir Cleaner with Dust Indicator Air filter should not beService Daily Cleaning Inside the Fuel TankCleaning the Fuel Strainer Fuel AdditionRadiator Cleaning Air RemovalCheck Oil Level Replacing Oil FilterBattery Charger JacketWater Heater Power Connections To ensure adequate startingTrailer Maintenance DCA-400SSV-TRAILER MaintenanceCoupler Type of hitch used on the trailer for towing DCA-400SSV-TRAILER Maintenance Brake AdjustmentBrakes Check the wheel and drum for free rotationTireWear/Inflation Tires/Wheels/Lug NutsSuspension Lug Nut Torque Requirements Start all wheel lug nuts by hand DCA-400SSV-TRAILERWIRING Diagram DCA-400SSV- Generatorwiring Diagram DCA-400SSV Enginewiring Diagram S/N 3722759 and below DCA-400SSV Enginewiring Diagram S/N 3722760 and Above DCA-400SSV-TROUBLESHOOTING Generator Generator TroubleshootingDCA-400SSV-TROUBLESHOOTING Engine Controller DCA-400SSV-TROUBLESHOOTING Diagnostic Lamp Example Error CodeMethod of Operation For a complete understandingDCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 Sample Parts List DCA-400SSV- Explanation of Code in Remarks ColumnPart number on this Suggested Spare Parts list RING, SENSOR, Coolant TempSensor OIL, Pressure & Temp RING, Sensor OIL, Pressure & TempDCA-400SSV- Generator Assy Generator AssyBalancing Weight KIT Rotor Assy Field AssyResistor 80W 300K RECTIFIER, RM50TC-24DCA-400SSV- Generator ASSY. Generator ASSY.Suction Cover Coupling AdapterSPACER, Bearing BEARING, 6208ZZDCA-400SSV- Engine Operating Panel Assy Engine Operating Panel AssyEngine Speed Switch Alarm LampCOVER, AIR Cleaner Operating PanelDCA-400SSV- Control BOX Assy Control BOX AssyTIMER, DC/AC24V Switch BracketControl BOX Circuit BREAKER, 1000ADCA-400SSV- Control BOX ASSY. Control BOX ASSY.DCA-400SSV- Control BOX ASSY. DCA-400SSV- Engine and Radiator Assy Engine and Radiator AssyAIR CLEANER, Complete ConnectorIncludes Items W Engine Foot70 DCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 SENSOR, OIL Temperature GASKET, OIL TemperaturePlug RingDCA-400SSV- Outputterminal Assy Output Terminal AssyOutput Terminal Circuit BREAKER, 20ACircuit BREAKER, 50A BRACKET, Circuit BreakerDCA-400SSV- Battery Assy Battery AssyBattery Battery SheetBattery Band Battery BoltDCA-400SSV- Muffler Assy Muffler AssyExhaust Pipe MufflerSeal Clamp DCA-400SSV- Fueltank Assy Fuel Tank AssyFuel Tank CAP, Fuel TankKEY Fuel FilterDCA-400SSV- Enclosure #1 Assy Enclosure #1 AssyBase Floor PanelFront Frame LiningDCA-400SSV- Enclosure #2 Assy Rear Frame Louver PanelCOVER, Rear Frame Duct CoverDCA-400SSV- Enclosure #2 ASSY. Enclosure #2 ASSY.Stay STOPPER, DoorHinge StopperDCA-400SSV- Enclosure #3 Assy Enclosure #3 AssySplasher Panel Side PanelDuct Side DoorDCA-400SSV- Enclosure #3 ASSY. 3875151304 C345430310419A C3494409804 C3454303204DCA-400SSV- Rubber Seals Assy Rubber Seals Assy0228901390 02289010750228900825 0228901410DCA-400SSV- Nameplate and Decals Assy Nameplate and Decals AssyName Plate Assy Control BOX GroupEngine & Radiator Group Engine Operating Panel Group94 DCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 Battery Group Name Plate and Decals AssyMuffler Group Fuel Tank GroupTerms and Conditions of Sale Parts DCA-400SSV- Operation and Parts Manual REV. #0 04/19/06 Your Local Dealer is
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