Daikin FTXS35K2V1B Service Manual page 4

Part 5 Remote Controller ............................................................ 48
1. Remote Controller .................................................................................49
Part 6 Service Diagnosis............................................................. 51
1. Troubleshooting with LED .....................................................................52
2. Problem Symptoms and Measures .......................................................53
3. Service Check Function ........................................................................54
4. Troubleshooting ....................................................................................57
5. Check ....................................................................................................92
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1.1 Indoor Unit..............................................................................................52
1.2 Outdoor Unit ...........................................................................................52
4.1 Error Codes and Description ..................................................................57
4.2 Indoor Unit PCB Abnormality .................................................................58
4.3 Freeze-up Protection Control / Heating Peak-cut Control ......................59
4.4 Fan Motor (DC Motor) or Related Abnormality.......................................60
4.5 Thermistor or Related Abnormality (Indoor Unit)....................................62
4.6 Refrigerant Shortage ..............................................................................63
4.7 Low-voltage Detection or Over-voltage Detection..................................65
4.8 Signal Transmission Error (between Indoor Unit and Outdoor Unit) ......67
4.9 Unspecified Voltage (between Indoor Unit and Outdoor Unit) ...............69
4.10 Outdoor Unit PCB Abnormality...............................................................70
4.11 OL Activation (Compressor Overload) ...................................................72
4.12 Compressor Lock ...................................................................................74
4.13 DC Fan Lock ..........................................................................................75
4.14 Input Overcurrent Detection ...................................................................76
4.15 Four Way Valve Abnormality..................................................................77
4.16 Discharge Pipe Temperature Control.....................................................79
4.17 High Pressure Control in Cooling ...........................................................80
4.18 Compressor System Sensor Abnormality ..............................................81
4.19 Position Sensor Abnormality ..................................................................82
4.20 DC Voltage / Current Sensor Abnormality (35/42 Class Only)...............84
4.21 Thermistor or Related Abnormality (Outdoor Unit).................................85
4.22 Electrical Box Temperature Rise............................................................87
4.23 Radiation Fin Temperature Rise ............................................................88
4.24 Output Overcurrent Detection ................................................................90
5.1 Thermistor Resistance Check ................................................................92
5.2 Fan Motor Connector Output Check ......................................................93
5.3 Power Supply Waveforms Check...........................................................93
5.4 Electronic Expansion Valve Check.........................................................93
5.5 Four Way Valve Performance Check .....................................................94
5.6 Inverter Units Refrigerant System Check ...............................................94
5.7 Inverter Analyzer Check .........................................................................95
5.8 Rotation Pulse Check on the Outdoor Unit PCB ....................................97
5.9 Installation Condition Check...................................................................98
5.10 Discharge Pressure Check.....................................................................98
5.11 Outdoor Fan System Check ...................................................................99
5.12 Main Circuit Short Check........................................................................99
5.13 Power Module Check ...........................................................................101
SiBE041213E
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