Daikin 2MXS-W Series Service Manual page 143

SiUS122226E
8. Check ......................................................................................................224
Part 6 Service Diagnosis
7.4 Unspecified Voltage (Between Indoor Unit and Outdoor Unit),
Anti-icing Control in Other Rooms............................................................ 191
7.5 Anti-icing Control for Indoor Unit .............................................................. 192
7.6 Outdoor Unit PCB Abnormality................................................................. 194
7.7 Actuation of High Pressure Switch ........................................................... 195
7.8 OL Activation (Compressor Overload) ..................................................... 197
7.9 Compressor Lock ..................................................................................... 200
7.10 DC Fan Lock ............................................................................................ 202
7.11 Input Overcurrent Detection ..................................................................... 203
7.12 Four Way Valve Abnormality.................................................................... 205
7.13 Discharge Pipe Temperature Control....................................................... 207
7.14 High Pressure Control in Cooling ............................................................. 208
7.15 Compressor Sensor System Abnormality ................................................ 210
7.16 Position Sensor Abnormality .................................................................... 212
7.17 Thermistor or Related Abnormality (Outdoor Unit)................................... 215
7.18 Electrical Box Temperature Rise.............................................................. 217
7.19 Radiation Fin Temperature Rise .............................................................. 219
7.20 Output Overcurrent Detection .................................................................. 221
8.1 Thermistor Resistance Check .................................................................. 224
8.2 Indoor Fan Motor Connector Check ......................................................... 225
8.3 Power Supply Waveform Check............................................................... 226
8.4 Electronic Expansion Valve Check........................................................... 227
8.5 Four Way Valve Performance Check ....................................................... 228
8.6 Inverter Unit Refrigerant System Check................................................... 229
8.7 Inverter Analyzer Check ........................................................................... 229
8.8 Outdoor Fan Motor Check........................................................................ 231
8.9 Installation Condition Check..................................................................... 232
8.10 Discharge Pressure Check....................................................................... 232
8.11 Outdoor Fan System Check ..................................................................... 233
8.12 Main Circuit Short Check.......................................................................... 233
8.13 Capacitor Voltage Check.......................................................................... 236
8.14 Power Module Check ............................................................................... 237
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