Daikin SiBE04-624_B_FTXR-E Service Manual page 82

SiBE04-624_B
2.40 Humidifying Thermistor Abnormality /
Humidifying Heater Temperature Abnormality .....................................132
3. Check ..................................................................................................134
3.1 Thermistor Resistance Check ..............................................................134
3.2 Fan Motor Connector Output Check ....................................................135
3.3 Humidity Sensor Check........................................................................135
3.4 Power Supply Waveforms Check.........................................................135
3.5 Electronic Expansion Valve Check.......................................................136
3.6 Four Way Valve Performance Check ...................................................137
3.7 Inverter Units Refrigerant System Check .............................................138
3.8 Inverter Analyzer Check .......................................................................138
3.9 Rotating Pulse Check on Outdoor Unit PCB ........................................140
3.10 Installation Condition Check.................................................................141
3.11 Discharge Pressure Check...................................................................141
3.12 Outdoor Fan System Check .................................................................142
3.13 Main Circuit Short Check......................................................................142
3.14 Power Module Check ...........................................................................143
3.15 Dehumidifying Solenoid Valve Check ..................................................144
72 Service Diagnosis