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SiUS092230EA
Part 6 Service Diagnosis
111
7.5 Compressor Lock ..................................................................................... 167
7.6 DC Fan Lock ............................................................................................ 168
7.7 Input Overcurrent Detection ..................................................................... 169
7.8 Four Way Valve Abnormality.................................................................... 171
7.9 Discharge Pipe Temperature Control....................................................... 173
7.10 High Pressure Control in Cooling ............................................................. 174
7.11 System Shutdown due to Temperature Abnormality in
7.12 Compressor Sensor System Abnormality ................................................ 177
7.13 Position Sensor Abnormality .................................................................... 178
7.14 DC Voltage/Current Sensor Abnormality.................................................. 181
7.15 Thermistor or Related Abnormality (Outdoor Unit)................................... 182
7.16 Electrical Box Temperature Rise.............................................................. 184
7.17 Radiation Fin Temperature Rise .............................................................. 185
7.18 Output Overcurrent Detection .................................................................. 187
8.1 Thermistor Resistance Check .................................................................. 190
8.2 Indoor Fan Motor Connector Check ......................................................... 191
8.3 Power Supply Waveform Check............................................................... 192
8.4 Electronic Expansion Valve Check........................................................... 193
8.5 Four Way Valve Performance Check ....................................................... 194
8.6 Inverter Unit Refrigerant System Check................................................... 194
8.7 Inverter Analyzer Check ........................................................................... 195
8.8 Outdoor Fan Motor Check........................................................................ 198
8.9 Installation Condition Check..................................................................... 199
8.10 Discharge Pressure Check....................................................................... 199
8.11 Outdoor Fan System Check ..................................................................... 200
8.12 Main Circuit Short Check.......................................................................... 200
8.13 Power Module Check ............................................................................... 202
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...