Daikin FTX09NMVJU Service Manual page 4

Part 5 Remote Controller ............................................................... 54
1. FTX Series ................................................................................................55
2. FVXS Series..............................................................................................57
Part 6 Service Diagnosis................................................................ 59
1. General Problem Symptoms and Check Items .........................................61
2. Troubleshooting with LED .........................................................................62
3. Service Diagnosis .....................................................................................63
4. Troubleshooting ........................................................................................69
5. Check ...................................................................................................... 101
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3.8 Outdoor Fan Control................................................................................... 48
3.9 Liquid Compression Protection Function.................................................... 48
3.10 Defrost Control ........................................................................................... 49
3.11 Electronic Expansion Valve Control ........................................................... 50
3.12 Malfunctions ............................................................................................... 53
2.1 Indoor Unit.................................................................................................. 62
2.2 Outdoor Unit ............................................................................................... 62
3.1 ARC480 Series........................................................................................... 63
3.2 ARC466 Series........................................................................................... 66
4.1 Error Codes and Description ...................................................................... 69
4.2 Indoor Unit PCB Abnormality ..................................................................... 70
4.3 Freeze-up Protection Control / Heating Peak-cut Control .......................... 71
4.4 Fan Motor (DC Motor) or Related Abnormality........................................... 72
4.5 Thermistor or Related Abnormality (Indoor Unit)........................................ 75
4.6 Low-voltage Detection or Over-voltage Detection...................................... 76
4.7 Signal Transmission Error (Between Indoor Unit and Outdoor Unit).......... 78
4.8 Unspecified Voltage (Between Indoor Unit and Outdoor Unit) ................... 80
4.9 Outdoor Unit PCB Abnormality................................................................... 81
4.10 OL Activation (Compressor Overload) ....................................................... 82
4.11 Compressor Lock ....................................................................................... 84
4.12 DC Fan Lock .............................................................................................. 85
4.13 Input Overcurrent Detection ....................................................................... 86
4.14 Four Way Valve Abnormality...................................................................... 87
4.15 Discharge Pipe Temperature Control......................................................... 89
4.16 High Pressure Control in Cooling ............................................................... 90
4.17 Compressor System Sensor Abnormality .................................................. 92
4.18 Position Sensor Abnormality ...................................................................... 93
4.19 Thermistor or Related Abnormality (Outdoor Unit)..................................... 95
4.20 Electrical Box Temperature Rise................................................................ 97
4.21 Radiation Fin Temperature Rise ................................................................ 98
4.22 Output Overcurrent Detection .................................................................... 99
5.1 Thermistor Resistance Check .................................................................. 101
5.2 Indoor Fan Motor Connector Output Check ............................................. 102
5.3 Power Supply Waveforms Check............................................................. 103
5.4 Electronic Expansion Valve Check........................................................... 103
SiUS091601E
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