Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration

SECTION 3TROUBLESHOOTINGCAUTIONUnder no circumstances should anyone attempt to service the microprocessor!(see section 4.21)Should a problem develop with the microprocessor, contact your nearest Carrier Transicold dealerfor replacement.INDICATION/TROUBLE3.1 DIESEL ENGINE3.1.1 Engine Will Not StartStarter motor will notcrank or low cranking speedPOSSIBLE CAUSESBattery insufficiently chargedBattery terminal post dirty or defectiveBad electrical connections at starterStarter motor malfunctionsStarter motor solenoid defectiveOpen starting circuitIncorrect grade of lubricating oilREFERENCESECTIONCheckCheckCheck3.1.3Engine Manual3.1.41.2Starter motor cranksbut engine fails to startNo fuel in tankAir in fuel systemWater in fuel systemPlugged fuel filtersPlugged fuel lines to injector (s)Fuel control operation erraticGlow plug(s) defectiveRun solenoid defectiveFuel pump (FP) malfunctionCheckCheckDrain SumpReplaceCheckEngine4.4.74.4.34.4.6Starter cranks, engages,but dies after a few secondsEngine lube oil too heavyVoltage drop in starter cable(s)1.2Check3.1.2 Engine Starts Then StopsEngine stops afterFuel supply restrictedseveral rotationsNo fuel in tankLeak in fuel systemFaulty fuel control operationFuel filter restrictedInjector nozzle(s) defectiveInjection pump defectiveAir cleaner or hose restrictedSafety device openOpen wiring circuit to run solenoidFuel pump (FP) malfunctionCheckCheckCheckEngineReplaceEngine ManualEngine Manual4.4.41.7Check4.4.63.1.3 Starter Motor MalfunctionStarter motor will notcrank or turns slowlyBattery insufficiently chargedBattery cable connections loose or oxidizedBattery cables defectiveStarter brushes shorted outStarter brushes hang up or have no contactStarter solenoid damagedRun-Stop or Start-Run-Stop switch defectiveEngine lube oil too heavyCheckCheckReplaceEngine ManualEngine ManualEngine ManualReplace1.23-1 62-02884