Daikin FDMQ-R Series Service Manual page 65

SiUS071735EA
5. Check ...................................................................................................... 100
Service Diagnosis
5.1 Thermistor Resistance Check .................................................................. 100
5.2 Indoor Fan Motor Connector Check ......................................................... 101
5.3 Power Supply Waveforms Check ............................................................. 101
5.4 Electronic Expansion Valve Check........................................................... 102
5.5 Four Way Valve Performance Check ....................................................... 103
5.6 Inverter Unit Refrigerant System Check................................................... 103
5.7 Inverter Analyzer Check ........................................................................... 104
5.8 Rotation Pulse Check on the Outdoor Unit PCB ...................................... 106
5.9 Installation Condition Check..................................................................... 107
5.10 Discharge Pressure Check....................................................................... 107
5.11 Outdoor Fan System Check ..................................................................... 108
5.12 Main Circuit Short Check.......................................................................... 108
5.13 Power Module Check ............................................................................... 110
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