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SiUS071735EB
55
Service Diagnosis
5.1 Thermistor Resistance Check .................................................................. 105
5.2 Indoor Fan Motor Connector Check ......................................................... 106
5.3 Power Supply Waveforms Check............................................................. 106
5.4 Electronic Expansion Valve Check........................................................... 107
5.5 Four Way Valve Performance Check ....................................................... 108
5.6 Inverter Unit Refrigerant System Check................................................... 108
5.7 Inverter Analyzer Check ........................................................................... 109
5.8 Outdoor Fan Motor Check........................................................................ 111
5.9 Installation Condition Check..................................................................... 112
5.10 Discharge Pressure Check....................................................................... 112
5.11 Outdoor Fan System Check ..................................................................... 113
5.12 Main Circuit Short Check.......................................................................... 113
5.13 Power Module Check ............................................................................... 115
Summary of Contents for FDMQ09RVJU
Page 12: ...SiUS071735EB 1 List of Functions Part 1 List of Functions 1 Functions 2 ...
Page 14: ...SiUS071735EB 3 Specifications Part 2 Specifications 1 Specifications 4 ...
Page 125: ...SiUS071735EB Check Service Diagnosis 114 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 127: ...SiUS071735EB Check Service Diagnosis 116 15 18 24 class R20704 W V U DC_P1 DC_N1 ...