Daikin FTKS20CVMB Service Manual page 4

SiBE04-401
Part 5 System Configuration....................................................... 59
1. System Configuration............................................................................60
2. Instruction..............................................................................................61
Part 6 Service Diagnosis............................................................. 89
1. Caution for Diagnosis............................................................................90
2. Problem Symptoms and Measures .......................................................91
3. Service Check Function ........................................................................92
4. Troubleshooting ....................................................................................95
5. Check ..................................................................................................124
Table of Contents
3.15 Facility Setting Jumper (cooling at low outdoor temperature) ................57
2.1 Safety precautions..................................................................................61
2.2 Names of parts .......................................................................................63
2.3 Preparation before Operation.................................................................66
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................69
2.5 Adjusting the Air Flow Direction .............................................................71
2.6 POWERFUL Operation ..........................................................................73
2.7 OUTDOOR UNIT SILENT Operation ....................................................74
2.8 HOME LEAVE Operation .......................................................................75
2.9 INTELLIGENT EYE Operation ...............................................................77
2.10 TIMER Operation ...................................................................................79
2.11 Care and Cleaning .................................................................................81
2.12 Troubleshooting......................................................................................84
4.1 Error Codes and Description ..................................................................95
4.2 Indoor Unit PCB Abnormality .................................................................96
4.3 Freeze-up Protection Control or High Pressure Control.........................97
4.4 Fan Motor (AC Motor) or Related Abnormality.......................................99
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................100
4.6 Signal Transmission Error (between Indoor and Outdoor Unit) ...........101
4.7 OL Activation (Compressor Overload) .................................................102
4.8 Compressor Lock .................................................................................103
4.9 DC Fan Lock ........................................................................................104
4.10 Input Over Current Detection ...............................................................105
4.11 Four Way Valve Abnormality................................................................106
4.12 Discharge Pipe Temperature Control...................................................108
4.13 High Pressure Control in Cooling .........................................................109
4.14 Position Sensor Abnormality ................................................................111
4.15 DC Voltage / Current Sensor Abnormality............................................112
4.16 Thermistor or Related Abnormality (Outdoor Unit)...............................113
4.17 Electrical Box Temperature Rise..........................................................115
4.18 Radiation Fin Temperature Rise ..........................................................117
4.19 Output Over Current Detection.............................................................119
4.20 Insufficient Gas.....................................................................................121
4.21 Over-voltage Detection.........................................................................123
5.1 How to Check .......................................................................................124
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