Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration
Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration
Truck/Trailer Refrigeration Unit - Sunbelt Transport Refrigeration
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INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION3.3 REFRIGERATION3.3.1 <strong>Unit</strong> Will Not CoolDiesel engine Malfunction(s) 3.1Compressor malfunctionCompressor drive defectiveCompressor defective4.114.11<strong>Refrigeration</strong> systemDefrost cycle did not terminateAbnormal pressureSolenoid valve malfunction3.3.53.3.63.3.113.3.2 <strong>Unit</strong>RunsButHasInsufficientCoolingCompressorCompressor valves defectiveUnloader malfunction<strong>Refrigeration</strong> systemAbnormal pressureUnloader malfunctionExpansion valve malfunctionNo or restricted evaporator airflowEngine does notdevelop full rpmSpeed control linkageEngine malfunction4.114.143.3.64.143.3.103.3.94.4.33.13.3.3 <strong>Unit</strong> Operates Long or Continuously in CoolingContainerHot LoadDefective box insulation or air leakAllow time topull downCorrect<strong>Refrigeration</strong> systemAbnormal pressureTemperature controller malfunction3.3.63.3.8Compressor Defective 4.113.3.4 <strong>Unit</strong> Will Not Heat or Has Insufficient Heating<strong>Refrigeration</strong>Abnormal pressureTemperature controller malfunctionSolenoid valve malfunction3.3.63.3.83.3.11CompressorCompressor drive defectiveCompressor defective4.114.11Engine does not developfull rpmSpeed control linkage (<strong>Truck</strong>)Engine malfunction4.4.33.13-3 62-02884
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