Daikin FTXM-V Series Service Manual page 3

SiUS042113E
Part 5 Remote Controller ................................................................ 76
1. Applicable Remote Controller ...................................................................77
2. ARC466A70 ..............................................................................................78
3. ARC466A71 ..............................................................................................80
Part 6 Service Diagnosis ................................................................. 82
1. General Problem Symptoms and Check Items .........................................84
2. Troubleshooting with LED .........................................................................85
3. Service Diagnosis .....................................................................................86
4. Troubleshooting ........................................................................................89
Table of Contents
3.2 Frequency Control...................................................................................... 61
3.3 Standby Electricity Saving (Suspend Function) ......................................... 63
3.4 Controls at Mode Changing/Start-up.......................................................... 64
3.5 Discharge Pipe Temperature Control......................................................... 66
3.6 Input Current Control.................................................................................. 67
3.7 Freeze-up Protection Control ..................................................................... 68
3.8 Heating Peak-cut Control ........................................................................... 68
3.9 High Pressure Protection Control............................................................... 69
3.10 Outdoor Fan Control................................................................................... 70
3.11 Liquid Compression Protection Function.................................................... 70
3.12 Defrost Control ........................................................................................... 71
3.13 Electronic Expansion Valve Control ........................................................... 72
3.14 Malfunctions ............................................................................................... 75
2.1 Indoor Unit.................................................................................................. 85
2.2 Outdoor Unit ............................................................................................... 85
3.1 Method 1 .................................................................................................... 86
3.2 Method 2 .................................................................................................... 87
4.1 Error Codes and Description ...................................................................... 89
4.2 Indoor Unit PCB Abnormality ..................................................................... 90
4.3 Freeze-up Protection Control/Heating Peak-cut Control ............................ 91
4.4 Indoor Fan Motor (DC Motor) or Related Abnormality ............................... 93
4.5 Thermistor or Related Abnormality............................................................. 95
4.6 Humidity Sensor Abnormality ..................................................................... 96
4.7 Refrigerant Shortage .................................................................................. 97
4.8 Low-voltage Detection or Over-voltage Detection...................................... 99
4.9 Signal Transmission Error (Between Indoor Unit and Outdoor Unit)........ 101
4.10 Unspecified Voltage (Between Indoor Unit and Outdoor Unit) ................. 103
4.11 Outdoor Unit PCB Abnormality................................................................. 104
4.12 Actuation of High Pressure Switch ........................................................... 105
4.13 OL Activation (Compressor Overload) ..................................................... 106
4.14 Compressor Lock ..................................................................................... 109
4.15 DC Fan Lock ............................................................................................ 110
4.16 Input Overcurrent Detection ..................................................................... 111
4.17 Four Way Valve Abnormality.................................................................... 113
4.18 Discharge Pipe Temperature Control....................................................... 115
4.19 High Pressure Control in Cooling ............................................................. 117
ii