Daikin FTK(X)M-P Series Service Manual page 4

Part 5 Remote Controller ............................................................ 44
1. Remote Controller .................................................................................45
Part 6 Service Diagnosis............................................................. 47
1. General Problem Symptoms and Check Items .....................................48
2. Troubleshooting with LED .....................................................................49
3. Service Diagnosis .................................................................................50
4. Troubleshooting ....................................................................................53
5. Check ....................................................................................................83
Part 7 Trial Operation and Field Settings................................... 91
1. Tips for Servicing ..................................................................................92
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2.1 Indoor Unit..............................................................................................49
2.2 Outdoor Unit ...........................................................................................49
4.1 Error Codes and Description ..................................................................53
4.2 Indoor Unit PCB Abnormality .................................................................54
4.3 Freeze-up Protection Control / Heating Peak-cut Control ......................55
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................56
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................58
4.6 Low-voltage Detection or Over-voltage Detection..................................59
4.7 Signal Transmission Error (Between Indoor Unit and Outdoor Unit)......61
4.8 Unspecified Voltage (Between Indoor Unit and Outdoor Unit) ...............63
4.9 Outdoor Unit PCB Abnormality...............................................................64
4.10 Actuation of High Pressure Switch .........................................................65
4.11 OL Activation (Compressor Overload) ...................................................66
4.12 Compressor Lock ...................................................................................68
4.13 DC Fan Lock ..........................................................................................69
4.14 Input Overcurrent Detection ...................................................................70
4.15 Four Way Valve Abnormality..................................................................71
4.16 Discharge Pipe Temperature Control.....................................................73
4.17 Compressor System Sensor Abnormality ..............................................74
4.18 Position Sensor Abnormality ..................................................................75
4.19 Thermistor or Related Abnormality (Outdoor Unit).................................77
4.20 Electrical Box Temperature Rise............................................................79
4.21 Radiation Fin Temperature Rise ............................................................80
4.22 Output Overcurrent Detection ................................................................81
5.1 Thermistor Resistance Check ................................................................83
5.2 Indoor Fan Motor Connector Output Check ...........................................84
5.3 Power Supply Waveforms Check...........................................................84
5.4 Electronic Expansion Valve Check.........................................................84
5.5 Four Way Valve Performance Check .....................................................85
5.6 Inverter Unit Refrigerant System Check.................................................85
5.7 Inverter Analyzer Check .........................................................................86
5.8 Rotation Pulse Check on the Outdoor Unit PCB ....................................87
5.9 Installation Condition Check...................................................................88
5.10 Discharge Pressure Check.....................................................................88
5.11 Outdoor Fan System Check ...................................................................89
5.12 Main Circuit Short Check........................................................................89
5.13 Power Module Check .............................................................................90
1.1 Pump Down Operation ...........................................................................92
SiMT041509E
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