Daikin FTKS20CVMB(9), Service Manual

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SiENBE04-512A
Table of Contents iii
3.14 Additional Function.................................................................................62
3.15 Facility Setting Jumper (cooling at low outdoor temperature) ................63
Part 5 System Configuration....................................................... 65
1. System Configuration............................................................................66
2. Instruction..............................................................................................67
2.1 Safety precautions..................................................................................67
2.2 Names of parts .......................................................................................69
2.3 Preparation before Operation.................................................................72
2.4 AUTO · DRY · COOL · HEAT · FAN Operation ......................................75
2.5 Adjusting the Air Flow Direction .............................................................77
2.6 POWERFUL Operation ..........................................................................79
2.7 OUTDOOR UNIT SILENT Operation .....................................................80
2.8 HOME LEAVE Operation .......................................................................81
2.9 INTELLIGENT EYE Operation ...............................................................83
2.10 TIMER Operation ...................................................................................85
2.11 Care and Cleaning .................................................................................87
2.12 Troubleshooting......................................................................................90
Part 6 Service Diagnosis.............................................................95
1. Caution for Diagnosis............................................................................96
2. Problem Symptoms and Measures .......................................................97
3. Service Check Function ........................................................................98
4. Troubleshooting ..................................................................................101
4.1 Error Codes and Description ................................................................101
4.2 Indoor Unit PCB Abnormality ...............................................................102
4.3 Freeze-up Protection Control or High Pressure Control.......................103
4.4 Fan Motor (AC Motor) or Related Abnormality.....................................105
4.5 Thermistor or Related Abnormality (Indoor Unit)..................................106
4.6 Signal Transmission Error (between Indoor and Outdoor Unit) ...........107
4.7 OL Activation (Compressor Overload) .................................................108
4.8 Compressor Lock .................................................................................109
4.9 DC Fan Lock ........................................................................................110
4.10 Input Over Current Detection ...............................................................111
4.11 Four Way Valve Abnormality................................................................112
4.12 Discharge Pipe Temperature Control...................................................114
4.13 High Pressure Control in Cooling .........................................................115
4.14 Position Sensor Abnormality ................................................................117
4.15 DC Voltage / Current Sensor Abnormality............................................118
4.16 Thermistor or Related Abnormality (Outdoor Unit) ...............................119
4.17 Electrical Box Temperature Rise..........................................................121
4.18 Radiation Fin Temperature Rise ..........................................................123
4.19 Output Over Current Detection.............................................................125
4.20 Insufficient Gas.....................................................................................127
4.21 Over-voltage Detection.........................................................................129
5. Check ..................................................................................................130
5.1 How to Check .......................................................................................130
SiENBE04-512A.book Page iii Friday, October 5, 2007 1:49 PM