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M-SV-001-EN Rev.E
3.19 Cavity Temperature Sensor.........................................................................................................................................................89
3.19.1 Function ................................................................................................................................................................................... 89
3.19.2 Connections...........................................................................................................................................................................89
3.19.3 Verification .............................................................................................................................................................................90
3.19.4 Removal and Installation ..................................................................................................................................................91
3.20 Pressure/Temperature Sensor ...................................................................................................................................................92
3.20.1 Function .................................................................................................................................................................................. 92
3.20.2 Connections...........................................................................................................................................................................92
3.20.3 Verification .............................................................................................................................................................................92
3.20.4 Removal and Installation ..................................................................................................................................................93
Troubleshooting .................................................................................................................................94
4.1 Alarm and Fault Indications ..........................................................................................................................................................94
4.1.1 Alarm Types .............................................................................................................................................................................. 94
4.1.2 Fault Types ................................................................................................................................................................................94
4.2 Troubleshooting With the Service Monitoring Tools Software ........................................................................................ 97
4.2.1 Compressor Fault Troubleshooting ................................................................................................................................. 98
4.2.2 Motor Faults/System Status..............................................................................................................................................102
4.2.3 Bearing Status .......................................................................................................................................................................103
4.3 Bearing Calibration ........................................................................................................................................................................104
4.3.1 When to Calibrate the Bearings ......................................................................................................................................104
4.3.2 Performing a Calibration ...................................................................................................................................................104
4.3.3 After Calibration is Complete...........................................................................................................................................106
4.3.4 Create a Calibration Report ..............................................................................................................................................106
4.3.5 Calibration Report Analysis ..............................................................................................................................................107
4.4 Compressor Connection Status Indications .........................................................................................................................109
4.5 System and Compressor Level Troubleshooting.................................................................................................................109
4.5.1 Compressor Voltage Troubleshooting ..........................................................................................................................109
4.5.2 Determining the Cause of an Energy Drain ................................................................................................................111
4.5.3 Determining the Cause of Blown Soft Start Fuses ...................................................................................................112
4.5.4 Troubleshooting an Open Interlock ..............................................................................................................................113
4.5.5 Troubleshooting the Inverter ............................................................................................................................................113
Maintenance .................................................................................................................................... 114
5.1 Preventive Maintenance Tasks ...................................................................................................................................................114
5.2 Moisture Prevention Measures ..................................................................................................................................................115
5.2.1 Required Items .......................................................................................................................................................................115
Appendix A Acronyms/Terms ......................................................................................................... 121
Appendix B Compressor Troubleshooting Flowcharts ................................................................. 124
Appendix C Compressor Test Sheet ............................................................................................... 127
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